Dinosaurs & Prehistoric

Encyclopedia of Dinosaurs: Triassic, Jurassic and Cretaceous Periods

Dinosaur Quiz Book

The Top 10 Deadliest Dinosaurs

The Atlas of Dinosaurs

Biology of the Sauropod Dinosaurs

A Summer in a Canyon

A Guide to Dinosaurs Their Past and Future

New Perspectives on Horned Dinosaurs

The Life Story of a Black Bear

Life's Dawn on Earth

Fossils: A Story of the Rocks and Their Record of Prehistoric Life Denver Museum of Natural History, Popular Series No. 3

Prehistoric Men

A Short History of the Academy of Natural Sciences of Philadelphia

Notes on a Tour Through the Western part of The State of New York

Dinosaurs, with Special Reference to the American Museum Collections

Sea Monsters Unmasked, and Sea Fables Explained

Some Common Birds Useful to the Farmer

Animals of the Past

Camps and Trails

Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report