The Evans collection covers virtually every book, pamphlet and broadside published in America over a 160-year period. Digitized from one of the most important collections ever produced on microform, Early American Imprints, Series I is based on Charles Evans' renowned American Bibliography and Roger Bristol's supplement. Including more than 36,000 printed works and 2.3 million pages, Series I also offers new imprints not available in microform editions. This link also includes access to Early American Imprints, Series I: Supplement from the Library Company of Philadelphia, 1670-1800. To search Early American imprints Series 1 and 2 together, see America's historical imprints.