http://morgan.mwa.org/imprints/

The Morgan Bibliography of Ohio Imprints, 1796-1850 describes books, pamphlets, and broadsides printed in Ohio, from the earliest in 1796 through 1850. The bibliography is compiled and maintained by Richard P. Morgan. The bibliography includes names of libraries that own copies of these historical materials to aid in locating originals. Through a partnership with the American Antiquarian Society, Worcester, Massachusetts, many titles formerly owned by the Morgan Library are now in the AAS collections which totals over 3,700 Ohio imprints. Total imprints: 10,480 imprints added on 12/1/2015.