Dinosaurs & Prehistoric

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

African Dinosaurs Unearthed

The Desert Bones

A Hermit's Wild Friends; or, Eighteen Years in the Woods

A Short History of the Academy of Natural Sciences of Philadelphia

The Ornithosauria

The Land That Time Forgot

Water Reptiles of the Past and Present