Haugen, Einar, Studies by Einar Haugen : presented on the occasion of his 65th birthday - April 19, 1971 / by Einar Haugen ; edited by Evelyn Scherabon Firchow [and three others]. - 641 pages : illustrations ; 27 cm. Includes indexes. Subjects--Personal Names: Haugen, Einar,--1906-1994--Bibliography. Subjects--Topical Terms: Philology.