FCL Heritage Collection: Local Telephone Directories (Searchable)
- 1939–1940 Farmington City and Twp. (George Cotter pub.)
- 1941–1942 Farmington City and Twp., and Nov Twp. (Geo. Cotter)
- 1945–1946 Farmington City and Twp. (Geo. Cotter)
- Jan. 1945 Farmington City and Twp. (Michigan Bell)
- Jan. 1946 Farmington City and Twp. (Michigan Bell)
- Jan. 1947 Farmington City and Twp. (Michigan Bell
- 1948 Farmington
- 1949 Farmington Directory (White Pages)
- 1949 Farmington Directory (Yellow Pages)