Birket-Smith, Kaj, 1893- The paths of culture : A general ethnology / By Kaj Birket-Smith; Transl. from the Danish by Karin Fennow. - Madison : University of Wisconsin Press, 1965. - xi, 535 p. : plates. ; 25 cm. Bibliogr.: p. 487-524. Subjects--Topical Terms: Civilization--HistoryEthnology