Charles Scribner's Sons, 1999. This book is an encyclopedia of the Renaissance in the Western world from about 1350 to 1700. Each essay is accompanied by a bibliography of useful sources. 4 and consult the detailed index in vol. 5 for more possibilities.
All articles contain bibliographies.
McGraw Hill, 1959- 17 vols. An appropriate place to find biographical information and area studies for art and architecture. Newest available encyclopedia of art. REF PN451 .D5 v. 179 Vol. 179, German Writers of the Renaissance and Reformation, contains excellent articles on the literary work of many of the major German Reformers with bibliographies.