The following works will be found useful by students who are willing to pursue the subject further. Some of special interest or importance are marked with an asterisk.

(A.) Original Authorities and Translations.

The Church Histories of *Socrates, Sozomen, Theodoret, and (for the Arian side) the fragments of Philostorgius [translations in Bohn's Ecclesiastical Library].

*Eusebius, Vita Constantini and Contra Marcellum Ancyranum.

*Athanasius, especially De Incarnatione Verbi Dei, De Decretis Synodi NicÆnÆ, Orationes contra Arianos, De Synodis, Ad Antiochenos, Ad Afros. Convenient editions of most of these by Professor Bright of Oxford. [Translations of *De Incarnatione (Bindley in Christian Classics Series) and of the Orationes and most of the historical works, Newman in Oxford Library of the Fathers.]

Hilary, especially De Synodis. Cyril's Catecheses [translation in Oxford Library of the Fathers]. Basil, especially Letters. Gregory of Nazianzus, especially Orationes iv. and v. (against Julian). Of minor writers, Phoebadius and Sulpicius Severus (for Council of Ariminum). Fragments of Marcellus, collected by Rettberg (GÖttingen, 1794). [German translations of most of these in Thalhofer's Bibliothek der KirchenvÄter. English may be hoped for in Schaff's Select Library of the Nicene and Post-Nicene Fathers (vol. i. Buffalo, 1886) in 25 vols.]

Heathen writers:—Zosimus (bitterly prejudiced); Ammianus Marcellinus for 353-378 (cool and impartial); Julian, especially CÆsares, Fragmentum EpistolÆ, and Epp. 7, 25, 26, 42, 43, 49, 52.

(B.) Modern Writers.

1. For general reference:—

Gibbon's Decline and Fall (prejudiced against the Christian Empire, but narrative still unrivalled); Schiller Geschichte der rÖmischen Kaiserzeit, Bd. ii. (church matters a weak point); Ranke, Weltgeschichte, Bd. iii. iv.

General Church Histories of Neander [translation in Bohn's Standard Library]; Kurtz (zehnte Aufl., 1887); Fisher (New York, 1887); also Hefele, History of the Church Councils [translation published by T. & T. Clark].

Articles in Dictionary of Christian Biography (especially those by Lightfoot, Reynolds, and Wordsworth), and in Herzog's RealencyclopÄdie (especially MÖnchtum by Weingarten).

Weingarten's Zeittafeln z. Kirchengeschichte (3 Aufl. 1888).

(2.) For special use:—

The whole period is more or less covered by Kaye, Some Account of the Nicene Council, 1853; *Stanley, Eastern Church (best account of the outside of the council); Broglie, L'Église et l'Empire romain; Gwatkin, Studies of Arianism, 1882.

On Constantine, Burckhardt, Die Zeit Constantins, 1853; Keim, Der Uebertritt Constantins, 1862; Brieger, Constantin der Grosse als Religionspolitiker, 1880.

On Julian, English account by *Rendall, 1879; German lives by Neander, 1813 [translated 1850]; MÜcke, 1867-69, and Rode, 1877. The French books are mostly bad. For the decline of heathenism generally, Merivale, Boyle Lectures for 1864-65; Chastel, Destruction du Paganisme, 1850; Lasaulx, Untergang des Hellenismus, 1854; Schultze, Geschichte des Untergangs des griechisch-rÖmischen Heidentums, 1887; also Capes, University Life in Ancient Athens, 1877; Sievers, Leben des Libanius, 1868.

Biographies:—Fialon, Saint Athanase, 1877 (slight, but suggestive); Zahn, Marcellus von Ancyra, 1867; Reinkens, Hilarius von Poitiers, 1864; Fialon, Saint Basile, 1868; Ullmann, Gregorius von Nazianz, 2 Aufl. 1867 [translated 1851]; KrÜger, Lucifer von Calaris, 1886; Eichhorn, Athanasii de vita ascetica Testimonia, 1886 (in opposition to Weingarten and others); Guldenpenning u. Island, Theodosius der Grosse, 1878; various of unequal merit in The Fathers for English Readers.

On Teutonic Arianism:—Scott, Ulfilas, Apostle of the Goths, 1885; Hodgkin, Italy and her Invaders, 1880-85; Revillout, De l'Arianisme des Peuples germaniques, 1850.

For doctrine, the general histories in German of Baur, Nitzsch, 1870; Hagenbach [translated in Clark's Foreign Theological Library], and *Harnack, Bd. ii., 1887; Dorner's Doctrine of the Person of Christ [translated in Clark's Foreign Theological Library]; *Hort, Two Dissertations, 1876 (on Nicene and Constantinopolitan Creeds); Caspari, Quellen, Bd. iii. (on Apostles' Creed).

On Athanasius, also Voigt, Die Lehre von Athanasius, 1861; Atzberger, Die Logoslehre des hl. Athanasius, 1880; Wilde, Athanasius als Bestrijder der Arianen, 1868 (Dutch).

For the Roman Catholic version of the history, MÖhler, Athanasius der Grosse, 1844; Newman, Arians of the Fourth Century.

For short sketches giving the relation of Arianism to Church history in general, *Allen, Continuity of Christian Thought, 1884 (contrast of Greek and Latin Churches); *Sohm, Kirchengeschichte im Abriss, 1888.