History of the Reformation in the Sixteenth Century, Volume 1

Project Gutenberg has this entire series, though there were variations in the titles from the original print sources. You can find all volumes: #40858 Vol. 1, published 1845 by W. Collins #41470 Vol. 2, published 1846 by W. Collins #41253 Vol. 3, published 1848 by American Tract Society #40971 Vol. 4, published 1846 by R. Carter #41484 Vol. 5, published 1862 by W. Collins