EBSEES: 4 hits for Orthodox Church Greek Catholic Church

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 Orthodox Church Greek Catholic Church provides 4 hits
1	Die Griechisch-Katholische und die Orthodoxe Kirche in der Ukraine Horbatsch, Anna-Halja, in: Kirche in Not, 42, 1994, p. 197-208
2	Trapped between two churches: Orthodox and Greek-Catholics in Eastern Poland Keleher, Serge, in: Religion, State and Society, 23(4), 1995, p. 365-71
3	The Catholic-Orthodox theological dialogue: Eastern Church Traditions and Celebrations Seminar in: Eastern Churches Journal, 4(1), 1997, p. 5-74
4	The Vienna dialogue : Five PRO ORIENTE consultations with oriental orthodoxy on ecclesiology. Third study seminar, July 1994 Vienna, Pro Oriente, 1995, 194 p.

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

Die Griechisch-Katholische und die Orthodoxe Kirche in der Ukraine

Trapped between two churches: Orthodox and Greek-Catholics in Eastern Poland

The Catholic-Orthodox theological dialogue: Eastern Church Traditions and Celebrations Seminar

The Vienna dialogue : Five PRO ORIENTE consultations with oriental orthodoxy on ecclesiology. Third study seminar, July 1994