America's Historical Imprints This link opens in a new windowSearchable monographs, pamphlets, broadsides, government documents and ephemera enable researchers to explore America's past. Available here: Early American Imprints, Series I: Evans, 1639-1800; Early American Imprints, Series I: Supplement from the American Antiquarian Society, 1652-1800; Early American Imprints, Series I: Supplement from the Library Company of Philadelphia, 1670-1800; Early American Imprints, Series II: Shaw-Shoemaker, 1801-1819; Early American Imprints, Series II: Supplement from the American Antiquarian Society, 1801-1819; Early American Imprints, Series II: Supplement from the Library Company of Philadelphia, 1801-1819.