Columbia subject headings:
Archives--Ohio--Directories.
Associations, institutions, etc.--Ohio--History--Sources--Bibliography.
Ohio--History, Local--Sources--Bibliography.
Harvard subject headings:
Archives--Ohio--Directories.
Associations, institutions, etc.--Ohio--History--Sources--Bibliography.
Manuscripts.
Ohio--History, Local--Sources--Bibliography.
Princeton subject headings:
Archives--Ohio--Directories.
Associations, institutions, etc.--Ohio--History--Sources--Bibliography.
Directories.
Ohio--History, Local--Sources--Bibliography.