This collection of papers of and relating to Charles L. McNary consists of professional documents, correspondence, and ephemera; family materials, primarily correspondence; and scrapbooks. Evidence of McNary's work as a member of the U.S. Senate Committee on Agriculture and Forestry, in addition to his support for construction of the Bonneville Dam, can be found among the scrapbooks and professional documents, which include reports from the Federal Farm Board and the Farmers National Grain Corporation. Microfilm in the collection consists of copies of the scrapbooks from 1918-1944.