Cope Edward Drinker

On The Extinct Cats Of America

Syllabus Of Lectures On Geology And Paleontology: Paleontology Of The Vertebrata. 1891

Alfred Russel Wallace

The Extinct Dogs Of North America

Check-List Of North American Batrachia And Reptilia

Syllabus Of Lectures On The Vertebrata (1898)

Alfred Russel Wallace

The Bone Sharp: The Life Of Edward Drinker Cope

The Dinosaur Bone Battle Between O.C. Marsh And Edward Drinker Cope