U.S. Representative from Iowa and attorney. Subject files relating to his Congressional career. Includes campaign materials, and files on conservation, tariffs, pensions, and other subjects.

Attorney and Iowa state legislator. Subject files and correspondence concerning his business, family and political career. The bulk of the papers consist of correspondence dealing with business conditions during the 1920s and W.W.II, politics, family life.

U.S. Senator and Representative from Iowa. Primarily correspondence from his years in the House and Senate. Spanning a half century the topics range from Indian affairs to Oklahoma statehood, banking to the Panama Canal, and Republican Party politics to railroads.