> Multivolume work
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2:
Guide to the West Slavonic languages by R. G. A. De Bray
Columbus, Ohio: Slavica Publ., 1980
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3:
Guide to the East Slavonic languages by R. G. A. De Bray
Columbus, Ohio: Slavica Publ., 1980
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1:
Guide to the south slavonic languages by R. G. A. DeBray
Columbus, Ohio: Slavica Publ., 1980