Crabb, George
English synonyms with an introduction by
New York Grosset and Dunlap []
 Buku Teks
The nuttall dictionary of English synonyms and antonyms
edited by G. Elgie Christ
Frederick Warne and Co, 1960
 Buku Referensi
Smith, Charles John
Synonyms discriminated: a dictionary of synonymous words in the English langauge
Bell and Sons, 1917
 Buku Referensi
C. Bleijenberg
The right word in the right place : a collection of 800 synonyms used in commercial English / C. Bleijenberg
Uitgeverij Scuyt N.V., 1949
 Buku Teks
Nandy, Milon
Dictionary of synonyms & antonyms
Composite Study Aid Publications, 1993
 Buku Referensi