Richard Swann Lull

Organic Evolution

Collected Papers; Volume 2

Remarkable Ground Sloth

Sauropod Dinosaur Barosaurus Marsh

Evolution of Man

Fossils What They Tell Us of Plants and Animals of the Past

The Sauropod Dinosaur Barosaurus Marsh: Redescription Of The Type Specimens In The Peabody Museum, Yale University

The evolution of the earth and its inhabitants

A Revision of the Ceratopsia or Horned Dinosaurs