A biographical site of TR, broken up by time periods. Includes a chronology.

Includes a wealth of information on TR, including a digital library, featured articles, and timeline. Extremely extensive and informative.

A collection of TR artifacts housed at his alma mater's library. Although most of the items are only available to Harvard students, there is still a fair amount of photographs and primary source artifacts that can be accessed.

Although not a scholarly site, this source does provide good information about the various roles TR held throughout his life (such as president, conservationist, and soldier).

Includes the history behind Roosevelt's long-standing ties with the Smithsonian Institute and the artifacts he donated to the SI during his lifetime.

This website is a companion to the Ken Burns documentary (the same man behind The Roosevelts - An Intimate History). The information is deep and detailed.

"Climate Change Threatens U.S. National Parks"