Liddell, Henry George
A Greek-English lexicon New ed. rev. and augmented throughout
Oxford Clarendon Press 1951
 Buku Referensi
Harrap's concise German and English dictionary
London, 1982
 Buku Referensi
Mansion, J.E.
Harrap's new standard French and English dictionary
London Harrap 1972-1980
 Buku Referensi
Breul, Karl
Heath's new German and English dictionary. With a phonetic key to pronunciation
Boston D.C. Heath 1936
 Buku Referensi
Wichman, Karl
Handy dictionary of the German and English languages with rules as to pronuciation
Philadelphia, David McKay Company, 1944
 Buku Referensi