This site on Theodore Roosevelt is a companion to the documentary produced by PBS. It contains educational resources such as biographical information, a time line, primary sources, and a teacher's guide

The American Presidency Project is a major web resource providing a searchable database of, and analyses based on, presidential public documents. This includes speeches, orders, proclamations, messages, and other documents related to Theodore Roosevelt and his administrations.

This site presents information about the New York home of Theodore Roosevelt from 1885 until his death in 1919.

The Theodore Roosevelt Association is a historical and public service organization dedicated to perpetuating the memory and ideals of Theodore Roosevelt. This site links to an online biography, encyclopedia, speeches, photographs, bibliography, historical documents, and other related websites.

The Theodore Roosevelt Center is dedicated to preserving the legacy of America’s 26th president. The Digital library includes correspondence to and from Roosevelt, diary entries, notes, political cartoons, scrapbooks, newspaper columns and magazine articles by and about Roosevelt, speeches, and photographs. Users can also view film clips and listen to audio recordings.

The Theodore Roosevelt Collection, housed in Harvard’s Houghton and Widener libraries, is a major resource for study of the life and times of the 26th president of the United States. The collection includes correspondence of Roosevelt and his family, original manuscripts that include many of Roosevelt’s diaries, speeches, articles, and books, the archives of the Progressive Party and of many of Roosevelt’s biographers, along with a vast collection of books and articles, photographs, political cartoons, and ephemera relating to both Roosevelt’s personal and professional life.

This site provides a detailed description of the memorial on Theodore Roosevelt Island, as well as biographical information about Theodore Roosevelt.

The Miller Center of Public Affairs at the University of Virginia presents essays about Roosevelt and his life before, during, and after his presidential terms.

The official White House website presents a brief biography of Theodore Roosevelt and his wife, Edith Kermit Carow Roosevelt.