Milk Control Board Investigation (1933-1934); New York-New Jersey Milk Study (1942-1948); Sales Data – (Borden and Sheffield); Company working papers (Borden’s and Dellwood); Publicity material, 1933-1948, Box: 44. Leland Spencer papers, 21-10-908. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/72849 Accessed April 09, 2026.