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Adolf Dirr. en Portrait of Adolf Dirr German researcher of Caucasian languages ru Scan from Reprinted in hrig Adolf Dirr Ein Kaukasusforscher am Mnchner Vlkerkundemuseum Mnchner Beitrge zur Vlkerkunde Jahrbuch des Staatlichen Museums fr Vlkerkunde Mnchen Band Author Adolf Dirr Black and white photographic