RT Review T1 The Political and Social Doctrines of the Unity of Czech Brethren in the Fifteenth and Early Sixteenth Centuries. By Peter Brock. (Slavistische Drukken en Herdrukken, Hoogleraar te Leiden, xi). Pp. 302. 's-Gravenhage: Mouton; London: International University Booksellers, 1957. 47s. 6d JF The journal of ecclesiastical history VO 9 IS 2 SP 254 OP 256 A1 Spinka, Matthew LA English YR 1958 UL https://ixtheo.de/Record/1784728748 K1 Rezension DO 10.1017/S0022046900066458