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1
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2
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3Published 1983Subjects: “...Bulgarian literature History and criticism Congresses....”
Conference Proceeding Book -
4Published 1978Subjects: “...Jews Bulgaria History Sources....”
Book -
5Published 1980Subjects: “...Church Slavic literature Bulgaria History and criticism Congresses....”
Book -
6
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7Published 1976“...Thrace History To 1362 Congresses....”
Book -
8Published 1982“...Bulgaria Research History Congresses....”
Conference Proceeding Book