Polk Saginaw, Michigan City Directory, 1921
Polk Saginaw, Michigan City Directory (1915). Contents listed are a summary of the towns in all volumes for this area. Contents of individual years may vary greatly

May include all or part of Bannister, Birch Run, Brant, Bridgeport, Buena Vista, Burt, Carrollton, Chesaning, Clio, Elsie, Frankenmuth, Freeland, Hemlock, Henderson, Merrill, Montrose, New Lothrop, Oakley, Reese, Saint Charles, Zilwaukee

Polk Saginaw, Michigan City Directory, 1921.