Onions, C. T. 1873-1965, The Oxford dictionary of English etymology, edited by C. T. Onions with the assistance of G. W. S. Friedrichsen and R. W. Burchfield. - Oxford, Clarendon P., 1966. - xvi, 1025 p. 24 cm. Subjects--Topical Terms: English language--Etymology--Dictionaries. LC Class. No.: PE1580 / .O5 Dewey Class. No.: 422.03