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 Boris, saint provides 2 hits
1	"I krestiša kosti eju". Zur Vorgeschichte des Märtyrerkults von Boris and Gleb Korpela, Jukka, in: Jahrbücher für Geschichte Osteuropas, N. F., 46, 1998, p. 161-76
2	The martyred princes Boris and Gleb. A socio-cultural study of the cult and the texts Lenhoff, Gail D., Columbus, OH, Slavica Publ., 1989

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

"I krestiša kosti eju". Zur Vorgeschichte des Märtyrerkults von Boris and Gleb

The martyred princes Boris and Gleb. A socio-cultural study of the cult and the texts