For the patristic writers, their lives, works, editions, and other bibliographical matter, see:
G. Krüger, History of Early Christian Literature in the First Three Centuries, English translation by C. R. Gillett, New York, 1897. Cited as Krüger.
B. Bardenhewer, Patrologie, Freiburg-i.-B., 1911, English translation of second edition (1901) by T. J. Shahan, St. Louis, 1908. Cited as Bardenhewer.
In addition to the encyclopædias the following are indispensable, and should be consulted:
Smith and Wace, Dictionary of Christian Biography, Literature, Sects and Doctrines, London, 1877-87. (The Condensed Edition of 1911 by no means takes the place of this standard work.) Cited DCB.
Smith and Cheetham, Dictionary of Christian Antiquities, London, 1875-80. Cited DCA.
Advanced students and those capable of using French and German are referred to the following, which have admirable and authoritative articles and ample bibliographies:
Realencyclopædie für protestantische Theologie, edited by A. Hauck, Leipsic, 1896 ff. Two supplementary volumes appeared in 1913. Cited PRE.
Kirchenlexicon oder Encyclopædie der katholischen Theologie und ihrer Hilfswissenschaften, second edition, by J. Hergenröther und F. Kaulen, Freiburg-i.-B., 1882-1901. Cited KL.
Dictionnaire de Théologie Catholique, edited by A. Vacant and E. Mangenot, Paris, 1903 ff.