Governor and U.S. Senator from Iowa. The papers primarily consist of political speeches and correspondence on topics ranging from neutrality to the Democratic conventions.

Lawyer and Democratic National Committeeman from Iowa. Primarily correspondence and subject files relating to his political work for the Democratic Party.

Governor and U.S. Senator from Iowa. Gubernatorial and senatorial office files relating to his political career.

Lawyer in Burlington, Iowa. Correspondence and subject files relating primarily to the Iowa Bar Association and the National Conference of Commissioners on Uniform State Laws.

Governor and Lieutenant Governor of Iowa. Papers relating to his political career and terms in office. Subject files include campaign materials, correspondence, speeches, etc.