"Staff Editors"Obituary Record of Graduates of Yale University Yale University Publisher New Haven Conn 1915: p. 745
web.archive.org
"John Denison Champlin, B.A. 1956"(PDF). Bulletin of Yale University: Obituary Record of Yale Graduates: 743–745. 1914–1915. Archived from the original(PDF) on March 4, 2016. Retrieved June 22, 2013.
yale.edu
mssa.library.yale.edu
"John Denison Champlin, B.A. 1956"(PDF). Bulletin of Yale University: Obituary Record of Yale Graduates: 743–745. 1914–1915. Archived from the original(PDF) on March 4, 2016. Retrieved June 22, 2013.
