Wessely, J.E., author
Junior Classic German dictionary German-English and English-German
Chicago dsb. Pollett Publ. 1946
 Buku Referensi
Klatt, Edmund
Langenscheidts Schulworterbuch English-Deutch; Deutsch English
Berlin Langenscheidt KG. Verlag buchhandlung 1961
 Buku Referensi
Wichman, K., author
McKay's modern German-English and English-German dictionary with rules as pronunciation
New York, David Mckay Company
 Buku Referensi
Muller, F.
Beknopt Grieks-Nederlands woorderboek and
Groningen J.B. Wolters 1939
 Buku Referensi
Muller J.Z.N., F.
Grieksch woordenboek
Groningen J.B. Walters 1919
 Buku Referensi