Early American Imprints, Series I (Evans, 1639-1800) and Supplements This full-text database is a collection of primary source material on history, literature, philosophy, religion, agriculture, and other aspects of American life in the 17th and 18th centuries. With thousands of primary documents, it also has supplements from the Library Company of Philadelphia and the American Antiquarian Society that provide hundreds of additional pamphlets, broadsides, and books.