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Newcomb, Raymond Lee Our Lost Explorers: The Narrative of The Jeannette Arctic Expedition as Related by The Survivors, and in The Records and Last Journals of Lieutenant De Long
 Newcomb, Raymond Lee Our Lost Explorers: The Narrative of The Jeannette Arctic Expedition as Related by The Survivors, and in The Records and Last Journals of Lieutenant De Long
Ditmars, Raymond Lee Reptiles of the World; Tortoises and Turtles, Crocodilians, Lizards and Snakes of the Eastern and Western Hemispheres
 Ditmars, Raymond Lee Reptiles of the World; Tortoises and Turtles, Crocodilians, Lizards and Snakes of the Eastern and Western Hemispheres
Ditmars, Raymond Lee The Reptile Book: A Comprehensive, Popularised Work On the Structure and Habits of the Turtles, Tortoises, Crocodilians, Lizards and Snakes Which Inhabit the United States and Northern Mexico
 Ditmars, Raymond Lee The Reptile Book: A Comprehensive, Popularised Work On the Structure and Habits of the Turtles, Tortoises, Crocodilians, Lizards and Snakes Which Inhabit the United States and Northern Mexico
Ditmars, Raymond Lee