C. Buck and . Darling, A Dictionary of Selected Synonyms in the Principal Indo-European Languages, 1949.

I. Mali, 'jhy?l' ?abdako ek adhyayan, pp.17-25, 1970.

B. Sarma and . Candra, 2019 V.S. Nepal? i ?abdako?

R. L. Turner and J. C. Wright, A comparative dictionary of the Indo-Aryan languages : Addenda and corrigenda London, 1985.

R. L. Turner, 1973 A comparative dictionary of the Indo- Aryan languages --London, 1966.

R. Turner and . Lilley, A comparative and etymological dictionary of the Nepali language : With indexes of all words quoted from other Indo-Aryan languages, 1931.