RussGus: 1011 hits for L5664 on page 6

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 L5664 provides 1011 hits
51	Erinnerungen an Leningrad Brodsky, Joseph, München, Wien: Hanser 1987, 119 S.
52	Überraschung in Leningrad Welkisch, Gerd, in: Unterhaltungskunst, 1975, 10, S. 15-16
53	Vom Anzug in den Leinenkittel Schütt, Heinz-Dieter, in: Junge Welt, 03.09.1977, 209 B, S. 5
54	In Leningrad unterwegs Obst, Liselotte; Labsch, Erika, in: Pionierleiter, 1977, 20, S. 16-17
55	25. Leningrader Musikfrühling Heller, Karl, in: Musik und Gesellschaft, 39, 1989, 6, S. 314
56	Leningrader Impressionen Rommel, Paul, in: Freundschaft, 08.08.1989, 151, S. 2
57	(Gorbatschow in Leningrad) in: Ostinformationen, 12.07.1989, 131, S. 12-15
58	(Gorbatschow in Leningrad) in: Ostinformationen, 13.07.1989, 132, S. 11-14
59	Reisebericht aus Leningrad in: Rote Fahne, 02.11.1977, 44, S. 3
60	Lähmung der Allmacht Karp, Poel, in: Neue Zeit, 1990, 18, S. 35-36