Gamma is an unincorporated community in northeast Montgomery County, in the U.S. state of Missouri. The community is at the intersection of Missouri Routes E and CC on the south side of Elkhorn Creek. Middletown is 5.5 miles to the northwest.
- U.S. Geological Survey Geographic Names Information System: Gamma, Missouri
- Missouri Atlas & Gazetteer, DeLorme, 1st ed., 1998, p. 32 ISBN 0899332242
- "Post Offices". Jim Forte Postal History. Retrieved 11 November 2016.
- "Montgomery County Place Names, 1928–1945". The State Historical Society of Missouri. Archived from the original on June 24, 2016. Retrieved November 11, 2016.
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