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South Korea
Bartz, Patricia MacBride, (1972)
Polen
Woitalla, Horst, (1969)
Bibliography of South West Africa : Geography and related fields; 2000 titles (closed 1966)
Logan, Richard F., (1969)
Intelekelelo yenkcitho ezakuhlawulelwa Kwingxowa Yasetranskei Yemali Engenayo / Transkei : ngo nyaka ophela ngowama 31 kumatshi, ... ; yandlalelwe iqumru lolawulo ngomkhosi
(1990)