- U.S. Geological Survey Geographic Names Information System: Sheffield, Kansas City
- "Post Offices". Jim Forte Postal History. Retrieved 16 October 2016.
- "Jackson County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Archived from the original on 24 June 2016. Retrieved 16 October 2016.CS1 maint: BOT: original-url status unknown (link)
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