Henry Fairfield Osborn

Proboscidea, Vol. 2

Zoologica Scientific Contributions of the New York Zoological Society, Vol. 3: From the Tropical Research Station in British Guiana (Classic Reprint)

The Origin and Evolution of Life, on the Theory of Action, Reaction and Interaction of Energy (Classic Reprint)

The Origin and Evolution of Life, on the Theory of Action, Reaction and Interaction of Energy (Large Text Classic Reprint)

The Horse

The New Order of Sainthood (Classic Reprint)

The Titanotheres of Ancient Wyoming, Dakota, and Nebraska, Vol. 1 (Classic Reprint)

The Titanotheres of Ancient Wyoming, Dakota, and Nebraska, Vol. 1 (Large Text Classic Reprint)

Palaeontological Report of the Princeton Scientific Expedition of 1877

Collected Papers, Volume 1

The Origin and Evolution of Life - Scholar's Choice Edition

The Mediaeval and the True Modern Spirit in Education

Correlation Between Tertiary Mammal Horizons of Europe and America; An Introduction to the More Exact Investigation of Tertiary Zoogeography. Prelimin

The Four Phyla of Oligocene Titanotheres... - Primary Source Edition

Biographical Memoir of Joseph Leidy, 1823-1891 - Primary Source Edition

Man Rises to Parnassus

On Vertebrata of the Mid-Cretaceous of the North West Territory: Distinctive Characters of the Mid-Cretaceous Fauna; New Genera and Species From the Belly River Series (Mid-Cretaceous) (Classic Reprint)

The Reptilian Subclasses Diapsida and Synapsida and the Early History of the Diaptosauria

Correlation Between Tertiary Mammal Horizons of Europe and America; An Introduction to the More Exact Investigation of Tertiary Zoogeography. Preliminary Study with Third Trial Sheet Volume 13

Comparative Morphology

Cenozoic Mammal Horizons of Western North America Volume 361-370

Collected Papers Volume 8

The American Museum of Natural History; Its Origin, Its History, the Growth of Its Departments to December 31, 1909

Collected Papers, Volume 2...