Encyclopedias

    Encyclopedia of Early Christianity (2 vols.)
    BR 162.2 E53 1997 Reference Available Online
    Augustine through the Ages: An Encyclopedia
    B 655 Z69 A84 1999 Reference
    Encyclopedia of the Early Church (2 vols.)
    BR 66.5 D5813 1992 Reference
    The New Catholic Encyclopedia 2nd ed. (15 vols.)
    BX 841 N44 2003 Reference Available Online

    Dictionaries & Handbooks

    The Oxford Dictionary of the Christian Church (4th ed.)
    BR 95 O8 2022 Reference Available Online
    The New Westminster Dictionary of Church History
    BR 95 W496 2008 Reference
    The Westminster Handbook to Patristic Theology
    BR 162.3 M38 2004 Reference
    Dictionary of Early Christian Literature
    BR 66.5 L4813 2000 Reference
    A Dictionary of Early Christian Beliefs
    BR 66.5 D53 1998 Reference

    Atlases

    Historical Atlas of Christianity
    G 1046 E4 L5 2001 Reference
    Atlas of the Christian Church
    BR 98 A74 1987 Reference
    Atlas of the Roman World
    DG 210 C6 1982 Reference

    Other Useful Resources

    Matrology: A Bibliography of Writings by Christian Women from the First to the Fifteenth Centuries
    Z 7751 K33 1995 Reference
    The Early Christian World
    BR 165 E25 2017 Stacks Available Online
    Patrology (v.1, 2, 3)
    BR 67 Q33 1950 Stacks
    Patrology (v.4)
    BR 67 Q33 1999a Stacks