Shaw, Edward L. and Lewis L. Heller. "The management of sheep on the farm." Bulletin of the U.S. Department of Agriculture, 17 December 1913.

Shaw, Edward L. and Lewis L. Heller. "The management of sheep on the farm." Bulletin of the U.S. Department of Agriculture, 17 December 1913., Box: 4. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/263199 Accessed December 21, 2025.