The Bibliographic Database of German Publication on Russia, the Soviet Union and its Successor States (RussGus)

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.

Your search for Grigorenko, Petr provides 2 hits
1	Erklärung an das Forum der friedliebenden Kräfte in Moskau Orlov, JUrij; Grigorenko, Petr, in: Glaube in der 2. Welt, 1977, 9, S. D84
2	Mitteilung über die Gründung eines Ausschusses zur Überwachung der Helsinki-Übereinkünfte in der Ukraine Grigorenko, Petr; Rudenko, Mikola, in: Glaube in der 2. Welt, 1977, 1, S. D7

The Bibliographic Database of German Publication on Russia, the Soviet Union and its Successor States (RussGus)

Erklärung an das Forum der friedliebenden Kräfte in Moskau

Mitteilung über die Gründung eines Ausschusses zur Überwachung der Helsinki-Übereinkünfte in der Ukraine