Atwater, Wilbur Olin, and Arthur Peyton Bryant. “The Chemical Composition of American Food Materials” U.S. Department of Agriculture Bulletin, No. 28 (revised edition). Washington, D.C.: Government Printing Office. (2 copies), 1906

Atwater, Wilbur Olin, and Arthur Peyton Bryant. “The Chemical Composition of American Food Materials” U.S. Department of Agriculture Bulletin, No. 28 (revised edition). Washington, D.C.: Government Printing Office. (2 copies), 1906, III, Box: 2, Folder: 7A. Wilbur Olin Atwater Papers, MS0261. National Agricultural Library Special Collections. http://localhost:8081/repositories/4/archival_objects/41052 Accessed March 10, 2025.