EBSEES: 14 hits for Intelligence Services on page 2

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 Intelligence Services provides 14 hits
11	Le renseignement soviétique en Chine, 1925-1927, in Dossier: Komintern, organisations de masses et diplomatie soviétique Ouzov, Vladimir N., in: Communisme 65/66, 2001, pp. 73-100
12	"Die Feinde des Sozialismus haben alle auf einem Sofa Platz". Die geheimdienstlichen Beziehungen der DDR zur Volksrepublik Polen Tantzscher, Monika, in: Deutschland-Archiv 34, 2001, pp. 218-234
13	In Schuld verstrickt : Tagebuch eines ungarischen Rabbiners Szántó, Gábor T., Berlin, Ed. q, 1999, 204
14	Seeing red: US air force assessments of the Soviet Union, 1945-1949. Aronsen, Lawrence, in: Intelligence and National Security 16, 2001, pp. 103-132

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

Le renseignement soviétique en Chine, 1925-1927, in Dossier: Komintern, organisations de masses et diplomatie soviétique

"Die Feinde des Sozialismus haben alle auf einem Sofa Platz". Die geheimdienstlichen Beziehungen der DDR zur Volksrepublik Polen

In Schuld verstrickt : Tagebuch eines ungarischen Rabbiners

Seeing red: US air force assessments of the Soviet Union, 1945-1949.