The Bibliographic Database of German Publication on Russia, the Soviet Union and its Successor States (RussGus) contains about 170.000 records from 1974 to 2003 and collects publications of different document types: books, dissertations and other university publications, articles from journals and newspapers including reviews, maps etc. The lists of personal and geographical subjects are located here and here.
Geschichte der russischen Kirche. Band 2Smolitsch, Igor, in: Forschungen zur Osteuropäischen Geschichte Bd. 45 Redaktion: Carsten Kumke, 1990, S. 5-536