From the first book printed in English by William Caxton, through the age of Spenser and Shakespeare and the tumult of the English Civil War, Early English Books Online (EEBO) contains over 125,000 titles listed in Pollard & Redgrave's Short-Title Catalogue (1475-1640), Wing's Short-Title Catalogue (1641-1700), and the Thomason Tracts (1640-1661). Among the thousands of titles featured in EEBO are works by Malory, Bacon, More, Erasmus, Boyle, Newton, Galileo; musical exercises by Henry Purcell and novels by Aphra Behn; prayer books, pamphlets, and proclamations; almanacs, calendars, and many other primary sources.