This primary source comes from the Records of the Office of Government Reports.
National Archives Identifier:
515785Full Citation: 'This is a trench foot. Prevent it! Keep feet dry and clean' ; 1941 - 1945; Records of the Office of Government Reports, Record Group 44. [Online Version, https://www.docsteach.org/documents/document/this-is-a-trench-foot-prevent-it-keep-feet-dry-and-clean, May 5, 2024]