He was elected to the Assembly on November 4, 1952 and won reelection four times.[3] He was the only candidate for Assembly for the 27th District in each of his elections.[3]Richard J. Dolwig had held the assembly seat before him,[4] and he was succeeded by Leo Ryan.[5]
Coolidge served as chairman of the Assembly's ways and means committee. During his time on the Assembly, Coolidge led the Republican economy bloc's attempts to stop Assemblyman Jesse M. Unruh from pushing through tax increases promoted by the Governor of California.[6] He was active with the Alcoholic Beverage Rehabilitation Commission, whose purpose was to study issues surrounding alcoholism and methods of treatment.[7]
^ abCalifornia Secretary of State (1963). California Blue Book. California Printing Division, California Office of State Printing. p. 203.
^ abStaff (October 4, 1956). "Assemblyman Coolidge May Get Treasurer Post". Los Angeles Times. p. 18.
^ abOne Voter Project (2008). "Glenn E. Coolidge". Join California: Election History for the State of California. Alex Vassar & Shane Meyers. Archived from the original on 2008-10-07. Retrieved 2008-10-01.
^One Voter Project (2008). "Richard J. Dolwig". Join California: Election History for the State of California. Alex Vassar & Shane Meyers. Archived from the original on 2008-10-07. Retrieved 2008-10-01.
^Wicker, Tom (August 24, 1962). "Districting Aids Coast Democrats". The New York Times. p. 11.
^"Coolidge Dies". Santa Cruz Sentinel. Santa Cruz, California. September 12, 1962. p. 1. Archived from the original on March 7, 2016. Retrieved October 31, 2015.
^ abHill, Gladwin (October 20, 1962). "16 Men Battling in California For Eight New Seats in House; State's Delegation Will Increase to 38 as Result of '60 Census—Democrats Expected to Gain 6 Places". The New York Times. p. 10.
^Williams, Wendy (1996). The Best Bike Paths of the Southwest: Safe, Scenic, and Traffic-Free Bicycling. Simon and Schuster. p. 113. ISBN0-684-81400-5.