Inclusions
Publications issued between 1820 and 1945
Monographs and pamphlets of more than 24 pages puclished before 1946
Land-Grant publications
State government documents, particularly of major departments
Trade, popular, and scientific journals published in or about the state
Dissertations
Exclusions Colonial tracts, charters or other pre-1820 publications
Manuscripts and archival materials, Almanacs
Reprints or individual numbers of serials
Publications below the county level
Maps and gazeteers
Newspapers (except agricultural only)
State legislative and census documents, compilations of laws, court cases
and judicial hearings
County histories
