Howe, Paul E., H.A. Mattill, and P.B. Hawk. "Fasting Studies: III. Nitrogen Partition of Two Men through Seven-Day Fasts following the Prolonged Ingestion of a Low-Protein Diet: Supplemented by Comparative Data from the Subsequent Feeding Period", 1911-02-13

Howe, Paul E., H.A. Mattill, and P.B. Hawk. "Fasting Studies: III. Nitrogen Partition of Two Men through Seven-Day Fasts following the Prolonged Ingestion of a Low-Protein Diet: Supplemented by Comparative Data from the Subsequent Feeding Period", 1911-02-13, Box: 01. Paul E. Howe Papers, MS0085. National Agricultural Library Special Collections. http://localhost:8081/repositories/4/archival_objects/94024 Accessed August 31, 2026.