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 Guide to Dinosaurs Their Past and Future

New Perspectives on Horned Dinosaurs

Descriptions of Two Species of Frogs, Genus Ptychohyla

Researches on the Visual Organs of the Trilobites

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time

Water Reptiles of the Past and Present

Cave Hunting

The zoology of the voyage of H.M.S. Beagle: Fossil mammalia

The Lost Lemuria

Dragons of the Prime

Beast and Man in India

The Prehistoric World; Or, Vanished races

A voyage to Spitzbergen containing an account of that country, of the zoology of the North; of the Shetland Islands; and of the whale fishery

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