"Based on Joseph Sabin's landmark bibliography (Bibliotheca Americana: A Dictionary of Books Relating to America from Its Discovery to the Present Time), this collection contains works about the Americas published throughout the world from 1500 to the early 1900's. Included are books, pamphlets, serials and other documents that provide original accounts of exploration, trade, colonialism, slavery and abolition, the western movement, Native Americans, military actions and much more. With over 6 million pages from 29,000 works, this collection is a cornerstone in the study of the western hemisphere."