Gimlette, John D., author
A dictionary of Malayan medicine
Oxford University Press, 1971
 Buku Referensi
Agrawal, Giriraj Sharan, author
Diamond Hindi-English dictionary
Diamond pocket books, 2001
 Buku Referensi
Mawson, C. O. Sylvester, author
Roget's thesaurus of the English language in dictionary form
Garden City Publishing Company, 1940
 Buku Referensi
Smith, Charles John, author
Synonyms discriminated: a dictionary of synonymous words in the English langauge
Bell and Sons, 1917
 Buku Referensi
Lewis, Norman, author
Dictionary of correct spelling : a handy reference guide
Harper & Row , 1962
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