Su, T.; Jacques, F.; Liu, Y.; Xiang, J.; Xing, Y.; Huang, Y.; Zhou, Z. (2011). "A new Drynaria (Polypodiaceae) from the upper Pliocene of Southwest China". Review of Palaeobotany and Palynology. 164 ((1-2)): 132–142. doi:10.1016/j.revpalbo.2010.11.011.
Oh, C.; Kim, K.; Paik, I.; Lim, J. (2011). "Cretaceous conifer woods of Korea: Occurrences and palaeobiological implications". Review of Palaeobotany and Palynology. 164 (1–2): 67–83. doi:10.1016/j.revpalbo.2010.11.007.
Kunzmann, L.; Mohr, B.A.R.; Wilde, V.; Bernardes-de-Oliveira, M.E.C. (2011). "A putative gnetalean gymnosperm Cariria orbiculiconiformis gen. nov. et spec. nov. from the Early Cretaceous of northern Gondwana". Review of Palaeobotany and Palynology. 165 (1–2): 75–95. doi:10.1016/j.revpalbo.2011.02.005.
Shi, G.; Zhou, Z.; Xie, Z. (2011). "Cupressus foliage shoots and associated seed cones from the Oligocene Ningming Formation of Guangxi, South China". Review of Palaeobotany and Palynology. 166 (3–4): 325–334. doi:10.1016/j.revpalbo.2011.06.005.
Rothwell, G.; Stockey, R.; Mapes, G.; Hilton, J. (2011). "Structure and relationships of the Jurassic conifer seed cone Hughmillerites juddii gen. et comb. nov.: implications for the origin and evolution of Cupressaceae". Review of Palaeobotany and Palynology. 164 (1–2): 45–59. doi:10.1016/j.revpalbo.2010.11.004.
Klymiuk, A. A.; Stockey, R. A.; Rothwell, G. W. (2011). "The first organismal concept for an extinct species of Pinaceae: Pinus arnoldii Miller". International Journal of Plant Sciences. 172 (2): 294–313. doi:10.1086/657649. S2CID84137991.
Valentin Krassilov; Eckart Schrank (2011). "New Albian macro- and palynoflora from the Negev (Israel) with description of a new gymnosperm morphotaxon". Cretaceous Research. 32 (1): 13–29. doi:10.1016/j.cretres.2010.10.001.
Zhang, J.; D'Rozario, A.; Yao, J.; Wu, Z.; Wang, L. (2011). "A new species of the extinct genus Schizolepis from the Jurassic Daohugou Flora, Inner Mongolia, China with special reference to the fossil diversity and evolutionary implications". Acta Geologica Sinica - English Edition. 85 (2): 471–481. doi:10.1111/j.1755-6724.2011.00415.x. S2CID129785532.
Benedict, JC; DeVore, ML; Pigg, KB (2011). "Prunus and Oemleria (Rosaceae) Flowers from the Late Early Eocene Republic Flora of Northeastern Washington State, U.S.A.". International Journal of Plant Sciences. 172 (7): 948–958. doi:10.1086/660880. S2CID39391439.
Liu, J.; Steiner, M.; Dunlop, J. A.; Keupp, H.; Shu, D.; Ou, Q.; Han, J.; Zhang, Z.; Zhang, X. (2011). "An armoured Cambrian lobopodian from China with arthropod-like appendages". Nature. 470 (7335): 526–530. Bibcode:2011Natur.470..526L. doi:10.1038/nature09704. PMID21350485. S2CID4324509.
Vinther, J.; Smith, M. P.; Harper, D. A. T. (2011). "Vetulicolians from the Lower Cambrian Sirius Passet Lagerstätte, North Greenland, and the polarity of morphological characters in basal deuterostomes". Palaeontology. 54 (3): 711–719. doi:10.1111/j.1475-4983.2011.01034.x. S2CID85602402.
Henrici, A.C.; Martens, T.; Berman, D.S.; Sumida, S.S. (2011). "An ostodolepid 'microsaur' (Lepospondyli) from the Lower Permian Tambach Formation of central Germany". Journal of Vertebrate Paleontology. 31 (5): 997–1004. doi:10.1080/02724634.2011.596601. S2CID129710688.
David S. Berman; Amy C. Henrici; Thomas Martens; Stuart S. Sumida; Jason S. Anderson (2011). "Rotaryus gothae, a New Trematopid (Temnospondyli: Dissorophoidea) from the Lower Permian of Central Germany". Annals of Carnegie Museum. 80 (1): 49–65. doi:10.2992/007.080.0106. S2CID84780478.
Bourget, Hélène; Anderson, Jason S. (2011). "A new amphibamid (Temnospondyli: Dissorophoidea) from the Early Permian of Texas". Journal of Vertebrate Paleontology. 31 (1): 32–49. doi:10.1080/02724634.2011.539652. S2CID85856972.
Li, Chun; Olivier Rieppel; Xiao-Chun Wu; Li-Jun Zhao; Li-Ting Wang (2011). "A new Triassic marine reptile from southwestern China". Journal of Vertebrate Paleontology. 31 (2): 303–312. doi:10.1080/02724634.2011.550368. S2CID130698779.
A. Yu. Berezin (2011). "A new plesiosaur of the family Aristonectidae from the early cretaceous of the center of the Russian platform". Paleontological Journal. 45 (6): 648–660. doi:10.1134/S0031030111060037. S2CID129045087.
Tamaki Sato; Yen-Nien Cheng; Xiao-Chun Wu; Hsi-Yin Shan (2013). "Diandongosaurus acutidentatus Shang, Wu & Li, 2011 (Diapsida: Sauropterygia) and the relationships of Chinese eosauropterygians". Geological Magazine. 151 (1): 121–133. Bibcode:2014GeoM..151..121S. doi:10.1017/S0016756813000356. S2CID131666596.
Jun Liu; Olivier Rieppel; Da-Yong Jiang; Jonathan C. Aitchison; Ryosuke Motani; Qi-Yue Zhang; Chang-Yong Zhou; Yuan-Yuan Sun (2011). "A new pachypleurosaur (Reptilia: Sauropterygia) from the lower Middle Triassic of southwestern China and the phylogenetic relationships of Chinese pachypleurosaurs". Journal of Vertebrate Paleontology. 31 (2): 292–302. doi:10.1080/02724634.2011.550363. S2CID86594206.
Peggy Vincent; Nathalie Bardet; Xabier Pereda Suberbiola; Baâdi Bouya; Mbarek Amaghzaz; Saïd Meslouh (2011). "Zarafasaura oceanis, a new elasmosaurid (Reptilia: Sauropterygia) from the Maastrichtian Phosphates of Morocco and the palaeobiogeography of latest Cretaceous plesiosaurs". Gondwana Research. 19 (4): 1062–1073. Bibcode:2011GondR..19.1062V. doi:10.1016/j.gr.2010.10.005.
Müller, Johannes; Christy A. Hipsley; Jason J. Head; Nikolay Kardjilov; André Hilger; Michael Wuttke; Robert R. Reisz (2011). "Eocene lizard from Germany reveals amphisbaenian origins". Nature. 473 (7347): 364–367. Bibcode:2011Natur.473..364M. doi:10.1038/nature09919. PMID21593869. S2CID205224382.
Konishi, Takuya; Michael W. Caldwell (2011). "Two new plioplatecarpine (Squamata, Mosasauridae) genera from the Upper Cretaceous of North America, and a global phylogenetic analysis of plioplatecarpines". Journal of Vertebrate Paleontology. 31 (4): 754–783. doi:10.1080/02724634.2011.579023. S2CID85972311.
Krister T. Smith (2011). "The Evolution of Mid-Latitude Faunas During the Eocene: Late Eocene Lizards of the Medicine Pole Hills Reconsidered". Bulletin of the Peabody Museum of Natural History. 52 (1): 3–105. doi:10.3374/014.052.0101. S2CID140545447.
Krister T. Smith (2011). "Oreithyia, a Replacement Name for Orithyia Smith, 2011, necOrithyia Fabricius, 1798". Bulletin of the Peabody Museum of Natural History. 52 (2): 273. doi:10.3374/014.052.0205. S2CID83777646.
Dhananjay M. Mohabey; Jason J. Head; Jeffrey A. Wilson (2011). "A new species of the snake Madtsoia from the Upper Cretaceous of India and its paleobiogeographic implications". Journal of Vertebrate Paleontology. 31 (3): 588–595. doi:10.1080/02724634.2011.560220. S2CID129792355.
Eugene S. Gaffney; Peter A. Meylan; Roger C. Wood; Elwyn Simons; Diógenes de Almeida Campos (2011). "Evolution of the side-necked turtles: the family Podocnemididae". Bulletin of the American Museum of Natural History. 350: 1–237. doi:10.1206/350.1. hdl:2246/6110. S2CID83775718.
Walter G. Joyce; Tyler R. Lyson (2011). "New Material of Gilmoremys lancensis nov. comb. (Testudines: Trionychidae) from the Hell Creek Formation and the Diagnosis of Plastomenid Turtles". Journal of Paleontology. 85 (3): 442–459. doi:10.1666/10-127.1. S2CID129918006.
Dana J. Ehret; Jason R. Bourque (2011). "An extinct map turtle Graptemys (Testudines, Emydidae) from the late Pleistocene of Florida". Journal of Vertebrate Paleontology. 31 (3): 575–587. doi:10.1080/02724634.2011.562267. S2CID83693680.
Georgia E. Knauss; Walter G. Joyce; Tyler R. Lyson; Dean Pearson (2011). "A new kinosternoid from the Late Cretaceous Hell Creek Formation of North Dakota and Montana and the origin of the Dermatemys mawii lineage". Paläontologische Zeitschrift. 85 (2): 124–142. doi:10.1007/s12542-010-0081-x. S2CID129123961.
Natasha Vitek (2011). "Insights into the Taxonomy and Systematics of North American Eocene Soft-Shelled Turtles from a Well-Preserved Specimen". Bulletin of the Peabody Museum of Natural History. 52 (2): 189–208. doi:10.3374/014.052.0201. S2CID86206091.
Marcelo S. de la Fuente; Aldo M. Umazano; Juliana Sterli; José L. Carballido (2011). "New chelid turtles of the lower section of the Cerro Barcino formation (Aptian-Albian?), Patagonia, Argentina". Cretaceous Research. 32 (4): 527–537. doi:10.1016/j.cretres.2011.03.007.
Pérez-García, Adán; Ortega, Francisco (2011). "Selenemys lusitanica, gen. et sp. nov., a new pleurosternid turtle (Testudines: Paracryptodira) from the Upper Jurassic of Portugal". Journal of Vertebrate Paleontology. 31 (1): 60–69. doi:10.1080/02724634.2011.540054. S2CID129187024.
Martín D. Ezcurra; Lucas E. Fiorelli; Agustín G. Martinelli; Sebastián Rocher; M. Belén von Baczko; Miguel Ezpeleta; Jeremías R. A. Taborda; E. Martín Hechenleitner; M. Jimena Trotteyn; Julia B. Desojo (2017). "Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea". Nature Ecology & Evolution. 1 (10): 1477–1483. doi:10.1038/s41559-017-0305-5. hdl:11336/41466. PMID29185518. S2CID10007967.
Sennikov, A.G. (2011). "New Tanystropheids (Reptilia: Archosauromorpha) from the Triassic of Europe". Paleontological Journal. 45 (1): 95–104. doi:10.1134/S0031030111010151. S2CID85193597.
V. R. Alifanov; E. N. Kurochkin (2011). "Kyrgyzsaurus bukhanchenkoi gen. et sp. nov., a new reptile from the triassic of southwestern Kyrgyzstan". Paleontological Journal. 45 (6): 639–647. doi:10.1134/S0031030111060025. S2CID84563146.
Ivakhnenko, M.F. (2011). "Permian and Triassic therocephals (Eutherapsida) of Eastern Europe". Paleontological Journal. 45 (9): 981–1144. doi:10.1134/S0031030111090012. S2CID128958135.
Kammerer, C.F.; Angielczyk, K.D.; Fröbisch, J. (2011). "A comprehensive taxonomic revision of Dicynodon (Therapsida, Anomodontia) and its implications for dicynodont phylogeny, biogeography, and biostratigraphy". Journal of Vertebrate Paleontology. 31 (Suppl. 1): 1–158. doi:10.1080/02724634.2011.627074. S2CID84987497.
Eugene S. Gaffney; Peter A. Meylan; Roger C. Wood; Elwyn Simons; Diógenes de Almeida Campos (2011). "Evolution of the side-necked turtles: the family Podocnemididae". Bulletin of the American Museum of Natural History. 350: 1–237. doi:10.1206/350.1. hdl:2246/6110. S2CID83775718.
Martín D. Ezcurra; Lucas E. Fiorelli; Agustín G. Martinelli; Sebastián Rocher; M. Belén von Baczko; Miguel Ezpeleta; Jeremías R. A. Taborda; E. Martín Hechenleitner; M. Jimena Trotteyn; Julia B. Desojo (2017). "Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea". Nature Ecology & Evolution. 1 (10): 1477–1483. doi:10.1038/s41559-017-0305-5. hdl:11336/41466. PMID29185518. S2CID10007967.
Tamaki Sato; Yen-Nien Cheng; Xiao-Chun Wu; Hsi-Yin Shan (2013). "Diandongosaurus acutidentatus Shang, Wu & Li, 2011 (Diapsida: Sauropterygia) and the relationships of Chinese eosauropterygians". Geological Magazine. 151 (1): 121–133. Bibcode:2014GeoM..151..121S. doi:10.1017/S0016756813000356. S2CID131666596.
Peggy Vincent; Nathalie Bardet; Xabier Pereda Suberbiola; Baâdi Bouya; Mbarek Amaghzaz; Saïd Meslouh (2011). "Zarafasaura oceanis, a new elasmosaurid (Reptilia: Sauropterygia) from the Maastrichtian Phosphates of Morocco and the palaeobiogeography of latest Cretaceous plesiosaurs". Gondwana Research. 19 (4): 1062–1073. Bibcode:2011GondR..19.1062V. doi:10.1016/j.gr.2010.10.005.
Müller, Johannes; Christy A. Hipsley; Jason J. Head; Nikolay Kardjilov; André Hilger; Michael Wuttke; Robert R. Reisz (2011). "Eocene lizard from Germany reveals amphisbaenian origins". Nature. 473 (7347): 364–367. Bibcode:2011Natur.473..364M. doi:10.1038/nature09919. PMID21593869. S2CID205224382.
Müller, Johannes; Christy A. Hipsley; Jason J. Head; Nikolay Kardjilov; André Hilger; Michael Wuttke; Robert R. Reisz (2011). "Eocene lizard from Germany reveals amphisbaenian origins". Nature. 473 (7347): 364–367. Bibcode:2011Natur.473..364M. doi:10.1038/nature09919. PMID21593869. S2CID205224382.
Martín D. Ezcurra; Lucas E. Fiorelli; Agustín G. Martinelli; Sebastián Rocher; M. Belén von Baczko; Miguel Ezpeleta; Jeremías R. A. Taborda; E. Martín Hechenleitner; M. Jimena Trotteyn; Julia B. Desojo (2017). "Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea". Nature Ecology & Evolution. 1 (10): 1477–1483. doi:10.1038/s41559-017-0305-5. hdl:11336/41466. PMID29185518. S2CID10007967.
Klymiuk, A. A.; Stockey, R. A.; Rothwell, G. W. (2011). "The first organismal concept for an extinct species of Pinaceae: Pinus arnoldii Miller". International Journal of Plant Sciences. 172 (2): 294–313. doi:10.1086/657649. S2CID84137991.
Zhang, J.; D'Rozario, A.; Yao, J.; Wu, Z.; Wang, L. (2011). "A new species of the extinct genus Schizolepis from the Jurassic Daohugou Flora, Inner Mongolia, China with special reference to the fossil diversity and evolutionary implications". Acta Geologica Sinica - English Edition. 85 (2): 471–481. doi:10.1111/j.1755-6724.2011.00415.x. S2CID129785532.
Benedict, JC; DeVore, ML; Pigg, KB (2011). "Prunus and Oemleria (Rosaceae) Flowers from the Late Early Eocene Republic Flora of Northeastern Washington State, U.S.A.". International Journal of Plant Sciences. 172 (7): 948–958. doi:10.1086/660880. S2CID39391439.
Liu, J.; Steiner, M.; Dunlop, J. A.; Keupp, H.; Shu, D.; Ou, Q.; Han, J.; Zhang, Z.; Zhang, X. (2011). "An armoured Cambrian lobopodian from China with arthropod-like appendages". Nature. 470 (7335): 526–530. Bibcode:2011Natur.470..526L. doi:10.1038/nature09704. PMID21350485. S2CID4324509.
Vinther, J.; Smith, M. P.; Harper, D. A. T. (2011). "Vetulicolians from the Lower Cambrian Sirius Passet Lagerstätte, North Greenland, and the polarity of morphological characters in basal deuterostomes". Palaeontology. 54 (3): 711–719. doi:10.1111/j.1475-4983.2011.01034.x. S2CID85602402.
Henrici, A.C.; Martens, T.; Berman, D.S.; Sumida, S.S. (2011). "An ostodolepid 'microsaur' (Lepospondyli) from the Lower Permian Tambach Formation of central Germany". Journal of Vertebrate Paleontology. 31 (5): 997–1004. doi:10.1080/02724634.2011.596601. S2CID129710688.
David S. Berman; Amy C. Henrici; Thomas Martens; Stuart S. Sumida; Jason S. Anderson (2011). "Rotaryus gothae, a New Trematopid (Temnospondyli: Dissorophoidea) from the Lower Permian of Central Germany". Annals of Carnegie Museum. 80 (1): 49–65. doi:10.2992/007.080.0106. S2CID84780478.
Bourget, Hélène; Anderson, Jason S. (2011). "A new amphibamid (Temnospondyli: Dissorophoidea) from the Early Permian of Texas". Journal of Vertebrate Paleontology. 31 (1): 32–49. doi:10.1080/02724634.2011.539652. S2CID85856972.
Li, Chun; Olivier Rieppel; Xiao-Chun Wu; Li-Jun Zhao; Li-Ting Wang (2011). "A new Triassic marine reptile from southwestern China". Journal of Vertebrate Paleontology. 31 (2): 303–312. doi:10.1080/02724634.2011.550368. S2CID130698779.
A. Yu. Berezin (2011). "A new plesiosaur of the family Aristonectidae from the early cretaceous of the center of the Russian platform". Paleontological Journal. 45 (6): 648–660. doi:10.1134/S0031030111060037. S2CID129045087.
Tamaki Sato; Yen-Nien Cheng; Xiao-Chun Wu; Hsi-Yin Shan (2013). "Diandongosaurus acutidentatus Shang, Wu & Li, 2011 (Diapsida: Sauropterygia) and the relationships of Chinese eosauropterygians". Geological Magazine. 151 (1): 121–133. Bibcode:2014GeoM..151..121S. doi:10.1017/S0016756813000356. S2CID131666596.
Jun Liu; Olivier Rieppel; Da-Yong Jiang; Jonathan C. Aitchison; Ryosuke Motani; Qi-Yue Zhang; Chang-Yong Zhou; Yuan-Yuan Sun (2011). "A new pachypleurosaur (Reptilia: Sauropterygia) from the lower Middle Triassic of southwestern China and the phylogenetic relationships of Chinese pachypleurosaurs". Journal of Vertebrate Paleontology. 31 (2): 292–302. doi:10.1080/02724634.2011.550363. S2CID86594206.
Müller, Johannes; Christy A. Hipsley; Jason J. Head; Nikolay Kardjilov; André Hilger; Michael Wuttke; Robert R. Reisz (2011). "Eocene lizard from Germany reveals amphisbaenian origins". Nature. 473 (7347): 364–367. Bibcode:2011Natur.473..364M. doi:10.1038/nature09919. PMID21593869. S2CID205224382.
Konishi, Takuya; Michael W. Caldwell (2011). "Two new plioplatecarpine (Squamata, Mosasauridae) genera from the Upper Cretaceous of North America, and a global phylogenetic analysis of plioplatecarpines". Journal of Vertebrate Paleontology. 31 (4): 754–783. doi:10.1080/02724634.2011.579023. S2CID85972311.
Krister T. Smith (2011). "The Evolution of Mid-Latitude Faunas During the Eocene: Late Eocene Lizards of the Medicine Pole Hills Reconsidered". Bulletin of the Peabody Museum of Natural History. 52 (1): 3–105. doi:10.3374/014.052.0101. S2CID140545447.
Krister T. Smith (2011). "Oreithyia, a Replacement Name for Orithyia Smith, 2011, necOrithyia Fabricius, 1798". Bulletin of the Peabody Museum of Natural History. 52 (2): 273. doi:10.3374/014.052.0205. S2CID83777646.
Dhananjay M. Mohabey; Jason J. Head; Jeffrey A. Wilson (2011). "A new species of the snake Madtsoia from the Upper Cretaceous of India and its paleobiogeographic implications". Journal of Vertebrate Paleontology. 31 (3): 588–595. doi:10.1080/02724634.2011.560220. S2CID129792355.
Eugene S. Gaffney; Peter A. Meylan; Roger C. Wood; Elwyn Simons; Diógenes de Almeida Campos (2011). "Evolution of the side-necked turtles: the family Podocnemididae". Bulletin of the American Museum of Natural History. 350: 1–237. doi:10.1206/350.1. hdl:2246/6110. S2CID83775718.
Walter G. Joyce; Tyler R. Lyson (2011). "New Material of Gilmoremys lancensis nov. comb. (Testudines: Trionychidae) from the Hell Creek Formation and the Diagnosis of Plastomenid Turtles". Journal of Paleontology. 85 (3): 442–459. doi:10.1666/10-127.1. S2CID129918006.
Dana J. Ehret; Jason R. Bourque (2011). "An extinct map turtle Graptemys (Testudines, Emydidae) from the late Pleistocene of Florida". Journal of Vertebrate Paleontology. 31 (3): 575–587. doi:10.1080/02724634.2011.562267. S2CID83693680.
Georgia E. Knauss; Walter G. Joyce; Tyler R. Lyson; Dean Pearson (2011). "A new kinosternoid from the Late Cretaceous Hell Creek Formation of North Dakota and Montana and the origin of the Dermatemys mawii lineage". Paläontologische Zeitschrift. 85 (2): 124–142. doi:10.1007/s12542-010-0081-x. S2CID129123961.
Natasha Vitek (2011). "Insights into the Taxonomy and Systematics of North American Eocene Soft-Shelled Turtles from a Well-Preserved Specimen". Bulletin of the Peabody Museum of Natural History. 52 (2): 189–208. doi:10.3374/014.052.0201. S2CID86206091.
Pérez-García, Adán; Ortega, Francisco (2011). "Selenemys lusitanica, gen. et sp. nov., a new pleurosternid turtle (Testudines: Paracryptodira) from the Upper Jurassic of Portugal". Journal of Vertebrate Paleontology. 31 (1): 60–69. doi:10.1080/02724634.2011.540054. S2CID129187024.
Martín D. Ezcurra; Lucas E. Fiorelli; Agustín G. Martinelli; Sebastián Rocher; M. Belén von Baczko; Miguel Ezpeleta; Jeremías R. A. Taborda; E. Martín Hechenleitner; M. Jimena Trotteyn; Julia B. Desojo (2017). "Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea". Nature Ecology & Evolution. 1 (10): 1477–1483. doi:10.1038/s41559-017-0305-5. hdl:11336/41466. PMID29185518. S2CID10007967.
Sennikov, A.G. (2011). "New Tanystropheids (Reptilia: Archosauromorpha) from the Triassic of Europe". Paleontological Journal. 45 (1): 95–104. doi:10.1134/S0031030111010151. S2CID85193597.
V. R. Alifanov; E. N. Kurochkin (2011). "Kyrgyzsaurus bukhanchenkoi gen. et sp. nov., a new reptile from the triassic of southwestern Kyrgyzstan". Paleontological Journal. 45 (6): 639–647. doi:10.1134/S0031030111060025. S2CID84563146.
Ivakhnenko, M.F. (2011). "Permian and Triassic therocephals (Eutherapsida) of Eastern Europe". Paleontological Journal. 45 (9): 981–1144. doi:10.1134/S0031030111090012. S2CID128958135.
Kammerer, C.F.; Angielczyk, K.D.; Fröbisch, J. (2011). "A comprehensive taxonomic revision of Dicynodon (Therapsida, Anomodontia) and its implications for dicynodont phylogeny, biogeography, and biostratigraphy". Journal of Vertebrate Paleontology. 31 (Suppl. 1): 1–158. doi:10.1080/02724634.2011.627074. S2CID84987497.
Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN9780070887398. OCLC46769716.