Studies by Einar Haugen : Presented on the occasion of his 65th birthday, April 19, 1971 / Ed. by Evelyn Scherabon Firchow, Kaaren Grimstad, Nils Hasselmo and Wayne A. O'NeilThe Scandinavian languages : fifty years of linguistic research (1918-1968) / by Einar Haugen and Thomas L. MarkeyStudies by Einar Haugen : presented on the occasion of his 65th birthday, April 19, 1971 / ed. by Evelyn Scherabon Firchow, Kaaren Grimstad, Nils Hasselmo ... [et al.]