['CITEREFLe_Strange1922'] = {'Baghdad During the Abbasid Caliphate'},
['CITEREFLeblanc1979'] = {'Cite DCB'},
['CITEREFLee1903'] = {'Cite DNBIE'},
['CITEREFLee2018'] = template_names['ODLA'],
['CITEREFLeisingerWollny1993'] = {'Bach\'s compositions (sources)'},
['CITEREFLerner1988'] = template_names['Iranica'],
['CITEREFLev1999'] = {'Saladin in Egypt'},
['CITEREFLevitan2001'] = {'Springer'},
['CITEREFLewin1925'] = {'Lewin-EarlyRail'},
['CITEREFLewis1969'] = {'Setton-A History of the Crusades'},
['CITEREFLewis1986'] = {'Lewis-Shortline-1986'},
['CITEREFLewis1991'] = {'Lewis-Shortline-1991'},
['CITEREFLewis1996'] = {'Lewis-Shortline-1996'},
['CITEREFLewis2001'] = template_names['Iranica'],
['CITEREFLiederNet_Archive'] = {'Schubert\'s compositions (references)'},
['CITEREFLieu1997'] = template_names['Iranica'],
['CITEREFLighthouses_of_Australia_Inc'] = {'Cite loa'},
['CITEREFLind1986'] = {'Lind-Limiteds'},
['CITEREFLittle1974'] = {'Cite DCB'},
['CITEREFLongnon1969'] = {'Setton-A History of the Crusades'},
['CITEREFLosensky2003'] = template_names['Iranica'],
['CITEREFLoverance2018'] = template_names['ODLA'],
['CITEREFLukonin1983'] = {'Cambridge History of Iran'},
['CITEREFLurje2010'] = template_names['Iranica'],
['CITEREFLuttrell1975'] = {'Setton-A History of the Crusades'},
['CITEREFLuttrell1987'] = {'DBI'},
['CITEREFLynch2004'] = {'Lynch-Penn Central'},
['CITEREFLynch2005'] = {'Lynch-New Haven passenger'},
['CITEREFLynch2018'] = template_names['ODLA'],
['CITEREFLéger1990'] = {'Cite DCB'},
['CITEREFle_Fleming1953'] = {'RCTS-LocosGWR-8'},
['CITEREFle_Fleming1960'] = {'RCTS-LocosGWR-8'},  
----------< M >----------
['CITEREFMacDermot1927'] = {'Infobox GWR'},
['CITEREFMacDermot1931'] = {'Infobox GWR'},
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['CITEREFMacKenzie1992'] = template_names['Iranica'],
['CITEREFMadelung1975'] = template_names['Cam_Hist_Iran'],
['CITEREFMadelung1978'] = {'EI2'},
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['CITEREFMadelung1984'] = template_names['Iranica'],
['CITEREFMadelung1988'] = template_names['Iranica'],
['CITEREFMadelung1993'] = template_names['Iranica'],
['CITEREFMadelung2003'] = template_names['Iranica'],
['CITEREFMadelungFelix1995'] = template_names['Iranica'],
['CITEREFMaeda2009'] = template_names['Iranica'],
['CITEREFMagdalino2002'] = {'The Empire of Manuel I Komnenos'},
['CITEREFMaiken1989'] = {'Maiken-Night Trains'},
['CITEREFMailer2004'] = {'Mailer-Omaha Road'},
['CITEREFMajidiNegahban'] = {'Encyclopaedia Islamica'},
['CITEREFMalandra2009'] = template_names['Iranica'],
['CITEREFManfred_Knedlik2007'] = {'BBKL'},
['CITEREFMarshak1994'] = template_names['Iranica'],
['CITEREFMarshak2002'] = template_names['Iranica'],
['CITEREFMarshall1823'] = {'Cite RNB1823'},
['CITEREFMarshall1824'] = {'Cite RNB1823'},
['CITEREFMarshall1825'] = {'Cite RNB1823'},
['CITEREFMarshall1827'] = {'Cite RNB1823'},
['CITEREFMarshall1828'] = {'Cite RNB1823'},
['CITEREFMarshall1829'] = {'Cite RNB1823'},
['CITEREFMarshall1830'] = {'Cite RNB1823'},
['CITEREFMarshall1831'] = {'Cite RNB1823'},
['CITEREFMarshall1832'] = {'Cite RNB1823'},
['CITEREFMarshall1833'] = {'Cite RNB1823'},
['CITEREFMarshall1835'] = {'Cite RNB1823'},
['CITEREFMarshall1972'] = {'Lancashire & Yorkshire Railway 3'},
['CITEREFMarshall2001'] = {'Marshall-INGSR'},
['CITEREFMartin_Persch1992'] = {'BBKL'},
['CITEREFMartin_Persch1993'] = {'BBKL'},
['CITEREFMartin_Persch1996'] = {'BBKL'},
['CITEREFMartindale1980'] = {'Prosopography of the Later Roman Empire', 'PLRE'},
['CITEREFMartindale1992'] = {'Prosopography of the Later Roman Empire', 'PLRE'},
['CITEREFMartindaleJonesMorris1971'] = {'Prosopography of the Later Roman Empire', 'PLRE'},
['CITEREFMasoud_Jalali-Moqaddam2015'] = {'Encyclopaedia Islamica'},
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['CITEREFMatthee2008'] = template_names['Iranica'],
['CITEREFMatthee2015'] = template_names['Iranica'],
['CITEREFMaul2005'] = {'Bach\'s compositions (sources)'},
['CITEREFMayGray2006'] = {'MayGray-WAGRPassCar'},
['CITEREFMazzaoui2002'] = template_names['Iranica'],
['CITEREFMcArthurMcArthur2003'] = {'Cite ogn', 'Cite Oregon Geographic Names'},
['CITEREFMcCaffrey1990'] = template_names['Iranica'],
['CITEREFMcCorduck2004'] = {'McCorduck 2004'},
['CITEREFMcCurdyRogers1902'] = {'Cite Jewish Encyclopedia'},
['CITEREFMcDonnell2015'] = {'McDonnell-Locomotives-2nd'},
['CITEREFMcGhee2008'] = {'Cite McGhee 2008'},
['CITEREFMeiningen1704'] = {'Bach\'s compositions (sources)'},
['CITEREFMeints1992'] = {'Meints-Companies'},
['CITEREFMeints2005'] = {'Meints-Lines'},
['CITEREFMelamed1988'] = {'Bach\'s compositions (sources)'},
['CITEREFMelamed1995'] = {'Bach\'s compositions (sources)'},
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['CITEREFMelville2003'] = template_names['Iranica'],
['CITEREFMennell1892'] = {'Dictionary of Australasian Biography'},
['CITEREFMetcalfe2009'] = {'The Muslims of Medieval Italy'},
['CITEREFMiddleton1961'] = {'Middleton-Interurban'},
['CITEREFMiddleton2001'] = {'Middleton-Electrified-2nd'},
['CITEREFMiddleton2002'] = {'Middleton-PRR-Under-Wire'},
['CITEREFMiddletonSmerkDiehl2007'] = {'Encyclopedia of North American Railroads'},
['CITEREFMiles1975'] = template_names['Cam_Hist_Iran'],
['CITEREFMillar2011'] = {'NZR Steam Locomotive'},
['CITEREFMiller'] = {'Encyclopaedia Islamica'},
['CITEREFMiller1908'] = {'The Latins in the Levant', 'Latins in the Levant'},
['CITEREFMiller1921'] = {'Essays on the Latin Orient'},
['CITEREFMinnich2008'] = {'Country study'},
['CITEREFMiramar_Ship_Index'] = {'Csr', 'Cite ship register'},
['CITEREFMitchell1965'] = {'Mitchell TOC'},
['CITEREFMittermeierKonstantHawkinsLouis2006'] = {'LoM2'},
['CITEREFMittermeierLouisRichardsonSchwitzer2010'] = {'LoM3'},
['CITEREFMittermeierTattersallKonstantMeyers1994'] = {'LoM1'},
['CITEREFMoore1875'] = {'Cite CEM'},
['CITEREFMorana1993'] = {'Bach\'s compositions (sources)'},
['CITEREFMorony2009'] = template_names['Iranica'],
['CITEREFMoschonas1975'] = {'Ιστορία του Ελληνικού Έθνους'},
['CITEREFMottahedeh1975'] = template_names['Cam_Hist_Iran'],
['CITEREFMozartHaydnHaydn2008'] = {'Schubert\'s compositions (references)'},
['CITEREFMunkres1974'] = {'Munkres Topology'},
['CITEREFMunkres2000'] = {'Munkres Topology'},
['CITEREFMurray2006'] = {'Murray-Illinois Central'},
['CITEREFMusserCarleton2005'] = {'MSW3 Muroidea'},
['CITEREFMüller,_Hans-Christian1966'] = template_names['NDB'],  
----------< N >----------
['CITEREFNSA_II,_15'] = {'Schubert\'s compositions (references)'},
['CITEREFNSA_scores'] = {'Schubert\'s compositions (references)'},
['CITEREFNSA_website'] = {'Schubert\'s compositions (references)'},
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['CITEREFNariciBeckenstein2011'] = {'Narici Beckenstein Topological Vector Spaces'},
['CITEREFNavāʾī1988'] = template_names['Iranica'],
['CITEREFNegahban2008'] = {'Encyclopaedia Islamica'},
['CITEREFNersessian2018'] = template_names['ODLA'],
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['CITEREFNetzer2007'] = template_names['Iranica'],
['CITEREFNeukirch1999'] = {'Neukirch ANT'},
['CITEREFNeukirchSchmidtWingberg2000'] = {'Neukirch et al. CNF'},
['CITEREFNew_York_City_Landmarks_Preservation_CommissionDolkartPostal2009'] = {'Cite nycland'},
['CITEREFNewbould1999'] = {'Schubert\'s compositions (references)'},
['CITEREFNewman1994'] = template_names['Iranica'],
['CITEREFNicholsonCanepaDaryaee2018'] = template_names['ODLA'],
['CITEREFNicol1988'] = {'Byzantium and Venice: A Study in Diplomatic and Cultural Relations'},
['CITEREFNicol1992'] = {'The Immortal Emperor: The Life and Legend of Constantine Palaiologos, Last Emperor of the Romans'},
['CITEREFNicol1993'] = {'The Last Centuries of Byzantium, 1261–1453', 'The Last Centuries of Byzantium'},
['CITEREFNock1974'] = {'Nock-EustonGlasgow'},  
----------< O >----------
['CITEREFO&#039;Byrne1849'] = {'Cite NBD1849'},
['CITEREFO&#039;ConnorRobertson1996'] = {'MacTutor Biography', 'MacTutor'},