Early English Books Online has 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). by William Caxton, through the age of Spenser and Shakespeare and the tumult of the English Civil War.
BadgerLink is available at your public libraries and provides access to some of the same databases that UWM has. However, the interface may be different.
Databases that works well for literature are Literary Reference Center and Humanities International Complete.