Sheffield -financial data and cost studies (1940s); Events pertaining to milk delivery (1941-1944); New York Marketing Agreement (1933); Proposed Federal License–New York/New Jersey (1934-1935); Four States Conference on the New York Milk Problem (1936), 1934-1944

Sheffield -financial data and cost studies (1940s); Events pertaining to milk delivery (1941-1944); New York Marketing Agreement (1933); Proposed Federal License–New York/New Jersey (1934-1935); Four States Conference on the New York Milk Problem (1936), 1934-1944, Box: 47. Leland Spencer papers, 21-10-908. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/72852 Accessed January 30, 2026.