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 Obolenskij, K. provides 12 hits
11	An Introduction to Russian History (Eine Einführung in die russische Geschichte): Edited ba Robert Auty and Dimitri Obolensky with an editorial assistance of Anthony Kingsford. (Companion to Russian Studies, 1.) Zernack, Klaus, in: Historische Zeitschrift, 226, 1978, S. 654-655 (Rezension)
12	Die Macher von Moskau. Aufstieg und Macht der neuen Business-Elite Rußlands Eigendorf, Jörg; Schut, Katrin, Düsseldorf: Econ 1994, 247 S.

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

An Introduction to Russian History (Eine Einführung in die russische Geschichte): Edited ba Robert Auty and Dimitri Obolensky with an editorial assistance of Anthony Kingsford. (Companion to Russian Studies, 1.)

Die Macher von Moskau. Aufstieg und Macht der neuen Business-Elite Rußlands