Langenscheidt standard dictionary of the English and Spanish languages
Berlin Hodder and Stoughton 1966
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Cassell's Spanish-English, English-Spanish dictionary
London; Cassell LTD., 1978
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Haring, Johanna Maria
Formacion de palabras en el setenario de alfonso el sabic
Amsterdam Universiteit van Amsterdam 1973
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Wichman, Karl
Handy dictionary of the German and English languages with rules as to pronuciation
Philadelphia, David McKay Company, 1944
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Mansion, J.E.
Harrap's new standard French and English dictionary
London Harrap 1972-1980
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