The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Lewitter, L.R. provides 2 hits
1	Jean Nicole Moreau de Brasey's letter on the Moldavian campaign of Peter I (1711)". The text that Puškin did not translate: British Library MS 37358ff. 479-485 v Lewitter, L. R., in: Jahrbücher für Geschichte Osteuropas, 40, 1992, p. 517-29
2	The Polish cause as seen in Great Britain, 1830-1863 Lewitter, L.R., in: Oxford Slavonic Papers, ns 28, 1995, p. 35-61

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

Jean Nicole Moreau de Brasey's letter on the Moldavian campaign of Peter I (1711)". The text that Puškin did not translate: British Library MS 37358ff. 479-485 v

The Polish cause as seen in Great Britain, 1830-1863