Biography
please see Richard Swann Lull
Books by Richard Swann Lull
Remarkable Ground Sloth
Remarkable Ground Sloth
Sauropod Dinosaur Barosaurus M
Sauropod Dinosaur Barosaurus Marsh
The Sauropod Dinosaur Barosaurus Marsh: Redescription Of The Type Specimens In The Peabody Museum, Yale University
Fossils What They Tell Us of P
Fossils What They Tell Us of Plants and Animals of the Past
A Revision of the Ceratopsia or Horned Dinosaurs
Organic evolution, a text book
Organic evolution, a text book