The Pleistocene of the middle region of North America and its vertebrated animals /

Mode of access: Internet.

The skull and dentition of a camel from the Pleistocene of Rancho La Brea,

Mode of access: Internet.

A new antelope from the Pleistocene of Rancho La Brea,

Mode of access: Internet.

Rancho La Brea : a record of Pleistocene life in California /

Includes bibliographical references (p. 69-75) and index.

Eagles and eagle-like vultures of the Pleistocene of Rancho La Brea,

Bibliography: p. 81-82.