The Core Historical Literature of Agriculture (CHLA), which started as a digital microfilming project in 1994 and first appeared online in 1996, preceded the Google Books project by nearly a decade.
United States Department of Agriculture | Agriculture | literature | Food and Agriculture Organization | Nobel Prize in Literature | English literature | agriculture | Literature | German literature | French literature | Italian literature | Children's literature | Department of Agriculture | Travel literature | children's literature | Persian literature | 1852 in literature | 1594 in literature | Spanish literature | Russian literature | Japanese literature | English Literature | The Core | Minister of Agriculture | Irish literature | Comparative Literature | Children's Literature Association | Castile (historical region) | American literature | 1895 in literature |