Leon E. Truesdell graduated from Brown University in 1907 with both an A.B. and A. M degree. His papers consist chiefly of his personal and professional writings and correspondence. Most of the correspondence is related to his career as a statistician and demographer at the United States Bureau of the Census from 1919 to 1967. The papers also include biographical material about the Truesdell family.
The United Fascist Union records contain material regarding the organization and its director, Jackson Kirk Grimes. This collection includes correspondence, drawings, copies of photographs and articles writings by Grimes, and some legal documents. A copy of the information on the organization's website as of 2011 is also included in the collection. The material is dated between 1989 and 2011.