Allen County Directory
1920, 1938, 1948, 1958, 1963, 1965
Allen County Directory, 1920-1921
Clevenger Directory Company, 1920
Ashland County Directory
1915, 1919, 1948, 1953, 1956, 1959, 1961, 1964, 1967, 1970, 1972, 1974, 1976, 1977, 1978, 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998
Ashtabula County Directory
1997, 2006
Belmont County Directory
1897, 1917, 1996
Carroll County Directory
1878 (with Tuscarawas)
Champaign County Directory
1954
Clermont County Directory
1932
Columbiana County Directory
1874, 1892, 1915, 1948
Coshocton County Directory
1899, 1954, 1988
County Directories
A List of the County Directories in the OGS Library Collection
Crawford County Directory
1896 (with Wyandot), 1916, 1920-23, 1929-30, 1937, 1939, 1958, 1961, 1963, 1965, 1966, 1969, 1972, 1974, 1976, 1978, 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1997
Darke County Directory
1910, 1916, 1955, 1967
Defiance County Directory
1971, 1973
Delaware County Directory
1915, 1928, 1964, 1969, 1971, 1975, 1977, 1980, 1987, 1990
Erie County Directory
1905 (with Huron and Sandusky), 1930, 1956, 1961, 1967, 1970, 1973, 1976
Fairfield County Directory
1952, 1964, 1966, 1970, 1972, 1974
Fayette County Directory
1958, 1967
Fulton County Directory
1973, 1975
Geauga County Directory
1937
Greene County Directory
1960, 2004, 2009
Hancock County Directory
1964, 1967, 1969, 1972, 1974, 1976, 1978, 1980, 1982, 1984, 1986, 1989, 1990, 1992, 1995, 1997
Hardin County Directory
1927, 1960, 1963, 1966, 1971, 1974, 1975, 1977, 1981, 1983, 1984, 1986, 1989, 1991, 1993, 1996, 1999
Hardin County Directory, 1927-1931
Henry County Directory
1973, 1975, 1977, 1979, 1981
Holmes County Directory
1976, 1979, 1986, 1990
Huron County Directory
1905 (with Erie and Sandusky), 1908, 1918, 1931, 1938, 1949, 1957, 1960, 1963, 1964, 1965, 1969, 1972, 1974, 1976, 1978, 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998, 1999, 2000
Huron County Directory, 1931-1933
Southwestern Ohio Publishing Company, 1931