diff --git a/lib/citeengines/natbib.citeengine b/lib/citeengines/natbib.citeengine
index dcd160f903..c738e513c8 100644
--- a/lib/citeengines/natbib.citeengine
+++ b/lib/citeengines/natbib.citeengine
@@ -14,7 +14,7 @@ Format 62
 Requires natbib
 
 CiteEngineType authoryear|numerical
-DefaultBiblio  plainnat
+DefaultBiblio  authoryear:plainnat|numerical:plainnat
 
 CiteEngine authoryear
 	Citet*[][]
diff --git a/lib/configure.py b/lib/configure.py
index 680e32a26f..fb5dcc6473 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -1511,7 +1511,7 @@ def checkCiteEnginesConfig():
 ## It has been automatically generated by configure
 ## Use "Options/Reconfigure" if you need to update it after a
 ## configuration change.
-## "CiteEngineName" "filename" "CiteEngineType" "Description" "Packages" "Requires" "Excludes"
+## "CiteEngineName" "filename" "CiteEngineType" "DefaultBiblio" "Description" "Packages" "Requires" "Excludes"
 ''')
 
   # build the list of available modules
@@ -1550,16 +1550,17 @@ def processCiteEngineFile(file, filename, bool_docbook):
           #Excludes: [list of excluded engines]
         The last two lines are optional.
         We expect output:
-          "CiteEngineName" "filename" "CiteEngineType" "Description" "Packages" "Requires" "Excludes"
+          "CiteEngineName" "filename" "CiteEngineType" "DefaultBiblio" "Description" "Packages" "Requires" "Excludes"
     '''
     remods = re.compile(r'\DeclareLyXCiteEngine\s*(?:\[([^]]*?)\])?{(.*)}')
-    rereqs = re.compile(r'#+\s*Requires: (.*)')
-    reexcs = re.compile(r'#+\s*Excludes: (.*)')
+    rereqs = re.compile(r'#+\s*Requires:\s*(.*)')
+    reexcs = re.compile(r'#+\s*Excludes:\s*(.*)')
     redbeg = re.compile(r'#+\s*DescriptionBegin\s*$')
     redend = re.compile(r'#+\s*DescriptionEnd\s*$')
-    recet = re.compile(r'\s*CiteEngineType (.*)')
+    recet = re.compile(r'\s*CiteEngineType\s*(.*)')
+    redb = re.compile(r'\s*DefaultBiblio\s*(.*)')
 
-    modname = desc = pkgs = req = excl = cet = ""
+    modname = desc = pkgs = req = excl = cet = db = ""
     readingDescription = False
     descLines = []
 
@@ -1603,6 +1604,10 @@ def processCiteEngineFile(file, filename, bool_docbook):
       if res != None:
         cet = res.group(1)
         continue
+      res = redb.search(line)
+      if res != None:
+        db = res.group(1)
+        continue
 
     if modname == "":
       logger.warning("Cite Engine File file without \DeclareLyXCiteEngine line. ")
@@ -1625,7 +1630,7 @@ def processCiteEngineFile(file, filename, bool_docbook):
             cm.write(line + '\n')
         cm.close()
 
-    return '"%s" "%s" "%s" "%s" "%s" "%s" "%s"\n' % (modname, filename, cet, desc, pkgs, req, excl)
+    return '"%s" "%s" "%s" "%s" "%s" "%s" "%s" "%s"\n' % (modname, filename, cet, db, desc, pkgs, req, excl)
 
 
 def checkTeXAllowSpaces():
diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 1e7f77283f..9cab407613 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -3240,7 +3240,8 @@ bool BufferParams::addCiteEngine(vector<string> const & engine)
 
 string const & BufferParams::defaultBiblioStyle() const
 {
-	return documentClass().defaultBiblioStyle();
+	map<string, string> bs = documentClass().defaultBiblioStyle();
+	return bs[documentClass().opt_enginetype()];
 }
 
 
diff --git a/src/CiteEnginesList.cpp b/src/CiteEnginesList.cpp
index 209c8bc840..0e3f45543d 100644
--- a/src/CiteEnginesList.cpp
+++ b/src/CiteEnginesList.cpp
@@ -38,11 +38,11 @@ CiteEnginesList theCiteEnginesList;
 
 
 LyXCiteEngine::LyXCiteEngine(string const & n, string const & i,
-			     vector<string> const & cet, string const & d,
-			     vector<string> const & p,
+			     vector<string> const & cet, vector<string> const & dbs,
+			     string const & d, vector<string> const & p,
 			     vector<string> const & r, vector<string> const & e):
-	name_(n), id_(i), engine_types_(cet), description_(d), package_list_(p),
-	required_engines_(r), excluded_engines_(e),
+	name_(n), id_(i), engine_types_(cet), default_biblios_(dbs), description_(d),
+	package_list_(p), required_engines_(r), excluded_engines_(e),
 	checked_(false), available_(false)
 {
 	filename_ = id_ + ".citeengine";
@@ -118,6 +118,33 @@ bool LyXCiteEngine::areCompatible(string const & eng1, string const & eng2)
 }
 
 
+string LyXCiteEngine::getDefaultBiblio(CiteEngineType const & cet) const
+{
+	string res;
+	string const etp = theCiteEnginesList.getTypeAsString(cet) + ":";
+	//check whether all of the required packages are available
+	vector<string>::const_iterator it  = default_biblios_.begin();
+	vector<string>::const_iterator end = default_biblios_.end();
+	for (; it != end; ++it) {
+		string const s = *it;
+		if (prefixIs(s, etp))
+			res = split(s, ':');
+		else if (!contains(s, ':') && res.empty())
+			res = s;
+	}
+	return res;
+}
+
+
+bool LyXCiteEngine::isDefaultBiblio(string const & bf) const
+{
+	if (find(default_biblios_.begin(), default_biblios_.end(), bf) != default_biblios_.end())
+		return true;
+	string const bfp = ":" + bf;
+	return find(default_biblios_.begin(), default_biblios_.end(), bfp) != default_biblios_.end();
+}
+
+
 // used when sorting the cite engine list.
 class EngineSorter {
 public:
@@ -217,6 +244,16 @@ bool CiteEnginesList::read()
 				cet = split(cet, p, '|');
 				cets.push_back(p);
 			}
+			if (!lex.next(true))
+				break;
+			string db = lex.getString();
+			LYXERR(Debug::TCLASS, "Default Biblio: " << db);
+			vector<string> dbs;
+			while (!db.empty()) {
+				string p;
+				db = split(db, p, '|');
+				dbs.push_back(p);
+			}
 			if (!lex.next(true))
 				break;
 			string const desc = lex.getString();
@@ -254,7 +291,7 @@ bool CiteEnginesList::read()
 			}
 			// This code is run when we have
 			// cename, fname, desc, pkgs, req and exc
-			addCiteEngine(cename, fname, cets, desc, pkgs, req, exc);
+			addCiteEngine(cename, fname, cets, dbs, desc, pkgs, req, exc);
 		} // end switch
 	} //end while
 
@@ -267,11 +304,12 @@ bool CiteEnginesList::read()
 
 
 void CiteEnginesList::addCiteEngine(string const & cename,
-	string const & filename, vector<string> const & cets, string const & description,
+	string const & filename, vector<string> const & cets,
+	vector<string> const & dbs, string const & description,
 	vector<string> const & pkgs, vector<string> const & req,
 	vector<string> const & exc)
 {
-	LyXCiteEngine ce(cename, filename, cets, description, pkgs, req, exc);
+	LyXCiteEngine ce(cename, filename, cets, dbs, description, pkgs, req, exc);
 	englist_.push_back(ce);
 }
 
diff --git a/src/CiteEnginesList.h b/src/CiteEnginesList.h
index 17cfbb8089..f1fc04b442 100644
--- a/src/CiteEnginesList.h
+++ b/src/CiteEnginesList.h
@@ -51,6 +51,7 @@ public:
 	///
 	LyXCiteEngine(std::string const & name, std::string const & id,
 		      std::vector<std::string> const & enginetypes,
+		      std::vector<std::string> const & defaultbiblios,
 		      std::string const & description,
 		      std::vector<std::string> const & packagelist,
 		      std::vector<std::string> const & requires,
@@ -70,6 +71,10 @@ public:
 	///
 	bool hasEngineType(CiteEngineType const &) const;
 	///
+	std::string getDefaultBiblio(CiteEngineType const &) const;
+	///
+	bool isDefaultBiblio(std::string const &) const;
+	///
 	std::string const & getDescription() const { return description_; }
 	///
 	std::vector<std::string> const & getPackageList() const
@@ -97,6 +102,8 @@ private:
 	std::string filename_;
 	/// the engine type(s)
 	std::vector<std::string> engine_types_;
+	/// default bibliography styles
+	std::vector<std::string> default_biblios_;
 	/// a short description for use in the ui
 	std::string description_;
 	/// the LaTeX packages on which this depends, if any
@@ -153,7 +160,8 @@ public:
 	void operator=(CiteEnginesList const &);
 	/// add an engine to the list
 	void addCiteEngine(std::string const &, std::string const &,
-		std::vector<std::string> const &, std::string const &, std::vector<std::string> const &,
+		std::vector<std::string> const &, std::vector<std::string> const &,
+		std::string const &, std::vector<std::string> const &,
 		std::vector<std::string> const &, std::vector<std::string> const &);
 	///
 	std::vector<LyXCiteEngine> englist_;
diff --git a/src/TextClass.cpp b/src/TextClass.cpp
index d14ef2994a..73f3cd194a 100644
--- a/src/TextClass.cpp
+++ b/src/TextClass.cpp
@@ -759,8 +759,21 @@ TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
 			break;
 
 		case TC_DEFAULTBIBLIO:
-			if (lexrc.next())
-				cite_default_biblio_style_ = rtrim(lexrc.getString());
+			if (lexrc.next()) {
+				vector<string> const dbs =
+					getVectorFromString(rtrim(lexrc.getString()), "|");
+				vector<string>::const_iterator it  = dbs.begin();
+				vector<string>::const_iterator end = dbs.end();
+				for (; it != end; ++it) {
+					if (!contains(*it, ':'))
+						cite_default_biblio_style_[opt_enginetype_] = *it;
+					else {
+						string eng;
+						string const db = split(*it, eng, ':');
+						cite_default_biblio_style_[eng] = db;
+					}
+				}
+			}
 			break;
 
 		case TC_FULLAUTHORLIST:
diff --git a/src/TextClass.h b/src/TextClass.h
index d082e10258..3f83216aaf 100644
--- a/src/TextClass.h
+++ b/src/TextClass.h
@@ -330,7 +330,7 @@ protected:
 	/// Citation macros
 	std::map<CiteEngineType, std::map<std::string, std::string> > cite_macros_;
 	/// The default BibTeX bibliography style file
-	std::string cite_default_biblio_style_;
+	std::map<std::string, std::string> cite_default_biblio_style_;
 	/// Whether full author lists are supported
 	bool cite_full_author_list_;
 	/// The possible citation styles
@@ -487,7 +487,8 @@ public:
 	///
 	std::vector<CitationStyle> const & citeStyles(CiteEngineType const &) const;
 	///
-	std::string const & defaultBiblioStyle() const { return cite_default_biblio_style_; }
+	std::map<std::string, std::string> const & defaultBiblioStyle() const
+	{ return cite_default_biblio_style_; }
 	///
 	bool const & fullAuthorList() const { return cite_full_author_list_; }
 protected:
diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index d971eebe7b..34b2fc0b91 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -1130,15 +1130,23 @@ GuiDocument::GuiDocument(GuiView & lv)
 	connect(biblioModule->citeEngineCO, SIGNAL(activated(int)),
 		this, SLOT(citeEngineChanged(int)));
 	connect(biblioModule->citeStyleCO, SIGNAL(activated(int)),
-		this, SLOT(biblioChanged()));
+		this, SLOT(citeStyleChanged()));
 	connect(biblioModule->bibtopicCB, SIGNAL(clicked()),
 		this, SLOT(biblioChanged()));
 	connect(biblioModule->bibtexCO, SIGNAL(activated(int)),
 		this, SLOT(bibtexChanged(int)));
 	connect(biblioModule->bibtexOptionsLE, SIGNAL(textChanged(QString)),
 		this, SLOT(biblioChanged()));
-	connect(biblioModule->bibtexStyleLE, SIGNAL(textChanged(QString)),
+	connect(biblioModule->defaultBiblioCO, SIGNAL(activated(int)),
 		this, SLOT(biblioChanged()));
+	connect(biblioModule->defaultBiblioCO, SIGNAL(editTextChanged(QString)),
+		this, SLOT(biblioChanged()));
+	connect(biblioModule->defaultBiblioCO, SIGNAL(editTextChanged(QString)),
+		this, SLOT(updateResetDefaultBiblio()));
+	connect(biblioModule->rescanBibliosPB, SIGNAL(clicked()),
+		this, SLOT(rescanBibFiles()));
+	connect(biblioModule->resetDefaultBiblioPB, SIGNAL(clicked()),
+		this, SLOT(resetDefaultBibfile()));
 
 	biblioModule->citeEngineCO->clear();
 	for (LyXCiteEngine const & cet : theCiteEnginesList) {
@@ -1150,8 +1158,8 @@ GuiDocument::GuiDocument(GuiView & lv)
 
 	biblioModule->bibtexOptionsLE->setValidator(new NoNewLineValidator(
 		biblioModule->bibtexOptionsLE));
-	biblioModule->bibtexStyleLE->setValidator(new NoNewLineValidator(
-		biblioModule->bibtexStyleLE));
+	biblioModule->defaultBiblioCO->lineEdit()->setValidator(new NoNewLineValidator(
+		biblioModule->defaultBiblioCO->lineEdit()));
 
 	// NOTE: we do not provide "custom" here for security reasons!
 	biblioModule->bibtexCO->clear();
@@ -2271,14 +2279,49 @@ void GuiDocument::biblioChanged()
 }
 
 
+void GuiDocument::rescanBibFiles()
+{
+	rescanTexStyles("bst");
+}
+
+
+void GuiDocument::resetDefaultBibfile()
+{
+	QString const engine =
+		biblioModule->citeEngineCO->itemData(
+				biblioModule->citeEngineCO->currentIndex()).toString();
+
+	CiteEngineType const cet =
+		CiteEngineType(biblioModule->citeStyleCO->itemData(
+							  biblioModule->citeStyleCO->currentIndex()).toInt());
+
+	updateDefaultBiblio(theCiteEnginesList[fromqstr(engine)]->getDefaultBiblio(cet));
+}
+
+
 void GuiDocument::citeEngineChanged(int n)
 {
-	QString const engine = biblioModule->citeEngineCO->itemData(n).toString();
+	QString const engine =
+		biblioModule->citeEngineCO->itemData(n).toString();
 
 	vector<string> const engs =
 		theCiteEnginesList[fromqstr(engine)]->getEngineType();
 
 	updateCiteStyles(engs);
+	resetDefaultBibfile();
+
+	biblioChanged();
+}
+
+
+void GuiDocument::citeStyleChanged()
+{
+	QString const engine =
+		biblioModule->citeEngineCO->itemData(
+				biblioModule->citeEngineCO->currentIndex()).toString();
+	if (theCiteEnginesList[fromqstr(engine)]->isDefaultBiblio(
+				fromqstr(biblioModule->defaultBiblioCO->currentText())))
+		resetDefaultBibfile();
 
 	biblioChanged();
 }
@@ -2292,24 +2335,6 @@ void GuiDocument::bibtexChanged(int n)
 }
 
 
-void GuiDocument::setAuthorYear(bool authoryear)
-{
-	if (authoryear)
-		biblioModule->citeStyleCO->setCurrentIndex(
-			biblioModule->citeStyleCO->findData(ENGINE_TYPE_AUTHORYEAR));
-	biblioChanged();
-}
-
-
-void GuiDocument::setNumerical(bool numerical)
-{
-	if (numerical)
-		biblioModule->citeStyleCO->setCurrentIndex(
-			biblioModule->citeStyleCO->findData(ENGINE_TYPE_NUMERICAL));
-	biblioChanged();
-}
-
-
 void GuiDocument::updateCiteStyles(vector<string> const & engs, CiteEngineType const & sel)
 {
 	biblioModule->citeStyleCO->clear();
@@ -2617,7 +2642,7 @@ void GuiDocument::applyView()
 	bp_.use_bibtopic =
 		biblioModule->bibtopicCB->isChecked();
 
-	bp_.biblio_style = fromqstr(biblioModule->bibtexStyleLE->text());
+	bp_.biblio_style = fromqstr(biblioModule->defaultBiblioCO->currentText());
 
 	string const bibtex_command =
 		fromqstr(biblioModule->bibtexCO->itemData(
@@ -3040,7 +3065,7 @@ void GuiDocument::paramsToDialog()
 	biblioModule->bibtopicCB->setChecked(
 		bp_.use_bibtopic);
 
-	biblioModule->bibtexStyleLE->setText(toqstr(bp_.biblio_style));
+	updateDefaultBiblio(bp_.defaultBiblioStyle());
 
 	string command;
 	string options =
@@ -3626,6 +3651,59 @@ void GuiDocument::updateIncludeonlys()
 }
 
 
+void GuiDocument::updateDefaultBiblio(string const & style)
+{
+	QString const bibstyle = toqstr(style);
+	biblioModule->defaultBiblioCO->clear();
+
+	int item_nr = -1;
+
+	QStringList str = texFileList("bstFiles.lst");
+	// test whether we have a valid list, otherwise run rescan
+	if (str.isEmpty()) {
+		rescanTexStyles("bst");
+		str = texFileList("bstFiles.lst");
+	}
+	for (int i = 0; i != str.size(); ++i)
+		str[i] = onlyFileName(str[i]);
+	// sort on filename only (no path)
+	str.sort();
+
+	for (int i = 0; i != str.count(); ++i) {
+		QString item = changeExtension(str[i], "");
+		if (item == bibstyle)
+			item_nr = i;
+		biblioModule->defaultBiblioCO->addItem(item);
+	}
+
+	if (item_nr == -1 && !bibstyle.isEmpty()) {
+		biblioModule->defaultBiblioCO->addItem(bibstyle);
+		item_nr = biblioModule->defaultBiblioCO->count() - 1;
+	}
+
+	if (item_nr != -1)
+		biblioModule->defaultBiblioCO->setCurrentIndex(item_nr);
+	else
+		biblioModule->defaultBiblioCO->clearEditText();
+
+	updateResetDefaultBiblio();
+}
+
+
+void GuiDocument::updateResetDefaultBiblio()
+{
+	QString const engine =
+		biblioModule->citeEngineCO->itemData(
+				biblioModule->citeEngineCO->currentIndex()).toString();
+	CiteEngineType const cet =
+		CiteEngineType(biblioModule->citeStyleCO->itemData(
+							  biblioModule->citeStyleCO->currentIndex()).toInt());
+	biblioModule->resetDefaultBiblioPB->setEnabled(
+		theCiteEnginesList[fromqstr(engine)]->getDefaultBiblio(cet)
+			!= fromqstr(biblioModule->defaultBiblioCO->currentText()));
+}
+
+
 void GuiDocument::updateContents()
 {
 	// Nothing to do here as the document settings is not cursor dependant.
diff --git a/src/frontends/qt4/GuiDocument.h b/src/frontends/qt4/GuiDocument.h
index e5aa4fa553..012a7a15ce 100644
--- a/src/frontends/qt4/GuiDocument.h
+++ b/src/frontends/qt4/GuiDocument.h
@@ -115,10 +115,12 @@ private Q_SLOTS:
 	void classChanged_adaptor();
 	void languagePackageChanged(int);
 	void biblioChanged();
+	void rescanBibFiles();
+	void resetDefaultBibfile();
 	void citeEngineChanged(int);
+	void citeStyleChanged();
 	void bibtexChanged(int);
-	void setAuthorYear(bool);
-	void setNumerical(bool);
+	void updateResetDefaultBiblio();
 	void updateModuleInfo();
 	void modulesChanged();
 	void changeBackgroundColor();
@@ -181,6 +183,8 @@ private:
 	void updateSelectedModules();
 	///
 	void updateIncludeonlys();
+	///
+	void updateDefaultBiblio(std::string const & style);
 	/// save as default template
 	void saveDocDefault();
 	/// reset to default params
diff --git a/src/frontends/qt4/ui/BiblioUi.ui b/src/frontends/qt4/ui/BiblioUi.ui
index 7cc821b8c9..b6ce417432 100644
--- a/src/frontends/qt4/ui/BiblioUi.ui
+++ b/src/frontends/qt4/ui/BiblioUi.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>418</width>
+    <width>475</width>
     <height>394</height>
    </rect>
   </property>
@@ -46,7 +46,7 @@
            <string/>
           </property>
           <property name="text">
-           <string>Sty&amp;le Engine:</string>
+           <string>Sty&amp;le engine:</string>
           </property>
           <property name="buddy">
            <cstring>citeEngineCO</cstring>
@@ -116,27 +116,6 @@
       <bool>true</bool>
      </property>
      <layout class="QGridLayout" name="gridLayout_1">
-      <item row="0" column="0">
-       <layout class="QHBoxLayout" name="horizontalLayout_1">
-        <item>
-         <widget class="QLabel" name="bibtexStyleLA">
-          <property name="text">
-           <string>Default st&amp;yle:</string>
-          </property>
-          <property name="buddy">
-           <cstring>bibtexStyleLE</cstring>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QLineEdit" name="bibtexStyleLE">
-          <property name="toolTip">
-           <string>Define the default BibTeX style</string>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </item>
       <item row="1" column="0">
        <widget class="QCheckBox" name="bibtopicCB">
         <property name="toolTip">
@@ -147,6 +126,63 @@
         </property>
        </widget>
       </item>
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout_1">
+        <item>
+         <widget class="QLabel" name="bibtexStyleLA">
+          <property name="text">
+           <string>Default BibTeX st&amp;yle:</string>
+          </property>
+          <property name="buddy">
+           <cstring>defaultBiblioCO</cstring>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QComboBox" name="defaultBiblioCO">
+          <property name="toolTip">
+           <string>Here, you can define a BibTeX style that is suggested in the BibTeX dialog by default</string>
+          </property>
+          <property name="editable">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="rescanBibliosPB">
+          <property name="toolTip">
+           <string>Rescan style files</string>
+          </property>
+          <property name="text">
+           <string>Re&amp;scan</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="resetDefaultBiblioPB">
+          <property name="toolTip">
+           <string>Reset to the preset default</string>
+          </property>
+          <property name="text">
+           <string>&amp;Reset</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item row="0" column="1">
+       <spacer name="horizontalSpacer_2">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
      </layout>
     </widget>
    </item>
diff --git a/src/insets/InsetBibtex.cpp b/src/insets/InsetBibtex.cpp
index 13c91b0739..1c4090a350 100644
--- a/src/insets/InsetBibtex.cpp
+++ b/src/insets/InsetBibtex.cpp
@@ -328,7 +328,7 @@ void InsetBibtex::latex(otexstream & os, OutputParams const & runparams) const
 	}
 
 	if (style == "default")
-		style = buffer().params().biblio_style;
+		style = buffer().params().defaultBiblioStyle();
 
 	if (!style.empty() && !buffer().params().use_bibtopic) {
 		string base = normalizeName(buffer(), runparams, style, ".bst");