This primary source comes from the Records of the Public Buildings Service.
Full Citation: 'Outdoor Activities of South Orange' South Orange, NJ Post Office Murals by Bernard Perlin; 1935 - 1943; Treasury Relief Art Project: Missouri, New Mexico, New Jersey, New York; 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/outdoor-activities-of-south-orange-south-orange-nj-post-office-murals-by-bernard-perlin, April 28, 2024]