This primary source comes from the Records of the Public Buildings Service.
Full Citation: 'Transportation of the Mail' Sculpture, Garfield, NJ Post Office by Robert Laurent; 1935 - 1943; Sculpture: New Hampshire, New Jersey, New York, North Carolina; Completed Murals and Sculptures in United States Post Offices and other Federal Buildings, 1935 - 1943; Records of the Public Buildings Service, Record Group 121; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/transportation-of-the-mail-sculpture-garfield-nj-post-office, May 13, 2024]