J. T. Müller: Die deutschen Katechismen der Böhmischen Brüder (Berlin: A. Hofmann and Comp., 1887). Absolutely indispensable. No book ever written gives so full a description of the Brethren's principles and methods, or so true an estimate of the great part they played in the Reformation.
J. T. Müller: Die Gefangenschaft des Johann Augusta (Leipzig, Friedrich Jansa. 1895). A translation, with introduction and notes, of Jacob Bilek's narrative. It throws quite a new light on Augusta's policy and character.
J. T. Müller: Das Bischoftum der Brüder-Unität (Herrnhut. 1889).
J. T. Müller: "Gemeindeverfassung der Böhmischen Brüder," in Monatshefte der Comenius-Gesellschaft, 1896.
L. G. Hassé and E. Walder: "Report of the Committee appointed by the Synod of the Moravian Church in Great Britain for the purpose of inquiring into the possibility of more friendly relations on the part of this Church with the Anglican Church" (Moravian Publication Office, 32, Fetter Lane, E.C.). Complete statement of the evidence on the Brethren's Episcopal Orders.
Eugen Borgius: Aus Posens und Polens kirchlicher Vergangenheit (Berlin, 1898. Wiegandt und Grieben). Contains a discussion (pp. 46-51) of Müller's Das Bischoftum.
Lützow, Count: History of Bohemian Literature (William Heinemann; new edition, 1907). Contains useful information on the Brethren's literary activities.
Benjamin Seifferth (Moravian Bishop): Church Constitution of the Bohemian and Moravian Brethren (W. Mallalieu and Co., 97, Hatton Garden. 1866). Translation of the Ratio Disciplinae, with original text and notes.
Walther E. Schmidt: Das religiöse Leben in den ersten Zeiten der Brüderunität, in the Zeitschrift für Brüder-Geschichte (Herrnhut, NO. 1, 1907.)
J. T. Müller: Ueber eine Inquisition gegen die Waldenser in der Gegend von Altenburg und Zwichau, in the Zeitschrift für Brüd. Gesch. (Herrnhut. 1908).