The Morphology of the Skull of the Pelycosaurian Genus Dimetrodon Ermine Cowles Case Published: 1908 Total Pages: 508 Get eBook
Revision of the Pelycosauria of North America Ermine Cowles Case Published: 1907 Total Pages: 262 Get eBook
The Vertebrates from the Permian Bone Bed of Vermilion County, Illinois - Palaeontological Notes. - New Or Little-known Vertebrates from the Permian of Texas. - The Osteology of the Skull of the Pelycosaurian Genus, Dimetrodon. On the Structure of the Fore Foot of Dimetrodon Ermine Cowles Case Published: 1917 Total Pages: 330 Get eBook
Geologic Literature on North America, 1785-1918 John Milton Nickles Published: 1923 Total Pages: 1176 Get eBook
