Sub-Order Opisthocœlia (Cetiosauria or Sauropoda) by W. D. Matthew, who is credited amongst other accomplishments as authorship of the family Dromaeosauridae, and former Curator of Vertebrate Paleontology at the American Museum of Natural History in New York; Originally published in 1915
* Chapter 5: The Amphibious Dinosaurs - Brontosaurus, Diplodocusw, Etc.