Iowa state senator and U.S. Representative from Iowa . Office files, correspondence, speeches, and campaign material.

Second editor of Wallaces' Farmer; appointed U.S. Secretary of Agriculture by Warren Harding (1921-1924). Member of exec. committee of the Roosevelt Memorial Association and of the International Committee of Young Men's Christian Association. Arranged in broad subject categories. The correspondence arranged in chronological order.

First editor of Wallaces' Farmer. Arranged in broad subject categories and then in chronological order. Available on microfilm for use in repository, for interlibrary loan, and for purchase.

U.S. Representative from Iowa, 1967-1975. Campaign and office files relating to his political career.