Medieval, Renaissance & Reformation Research Guide

Dictionary of the Middle Ages by Joseph R. Strayer (Editor); American Council of Learned Societies Staff (Contribution by)

Dictionary of the Middle Ages- Supplement by William C. Jordan

Encyclopedia of the Renaissance

Oxford Encyclopedia of the Reformation by Hans J. Hillerbrand (Editor)

Blackwell Encyclopedia of Anglo-Saxon England by Michael Lapidge (Editor); John Blair (Editor); Simon Keynes (Editor); Donald Scragg

Medieval Archaeology by Pamela Crabtree (Editor)

Medieval England by Paul E. Szarmach (Editor); M. Teresa Tavormina (Editor); Joel Thomas Rosenthal (Editor); Peter Lefferts (Editor); Catherine Karkov (Editor); Joel T. Rosenthal

Medieval France by William W. Kibler (Editor); Grover A. Zinn (Editor); John Bell Henneman (Editor); Lawrence Earp (Editor)

Medieval Germany by John M. Jeep (Editor)

Medieval Science, Technology, and Medicine by Thomas F. Glick; Steven John Livesey; Steven J. Livesey (Editor); Faith Wallis (Editor); Thomas Glick (Editor)

Trade, Travel, and Exploration in the Middle Ages by John Block Friedman (Editor); Kristen Mossler Figg (Editor); Gregory G. Guzman (Editor)

Women and Gender in Medieval Europe by Margaret C. Schaus (Editor); Margaret Schaus

A dictionary of Christian biography, literature, sects and doctrines : being a continuation of "The dictionary of the Bible" by William Smith and Henry Wace

Encyclopedia of Early Christianity by Everett Ferguson (Editor); Frederick W. Norris (Editor); Michael P. McHugh (Editor)

Encyclopedia of the Early Church by Angelo Di Berardino (Editor); Adrian Walford (Translator); W. H. C. Frend (Foreword by)

Encyclopedia of Religion by Lindsay Jones

Encyclopedia of Religious and Philosophical Writings in Late Antiquity by Jacob Neusner; Alan J. Avery-Peck

New Catholic Encyclopedia by Catholic University of America Staff (Contribution by)

The Oxford Dictionary of the Christian Church by F. L. Cross (Editor); E. A. Livingstone (Editor)

Encyclopedia of Philosophy by Donald M. Borchert

Routledge Encyclopedia of Philosophy by Edward Craig (Editor)

The Grove Dictionary of Art by Jane Turner (Editor)

Atlas of Medieval Europe by Donald Matthew

The Oxford Dictionary of Byzantium by Alexander P. Kazhdan (Editor)

The Crusades by Alan V. Murray (Editor)

New Encyclopedia of Islam by Cyril Glasse

Encyclopedia Judaica

The New Grove Dictionary of Music and Musicians by Stanley Sadie (Editor)