Swapan Kumar, p. (1962). Ādhunika kokaśāstra.
Lua i Stíl Chicago (17ú heag.)Swapan Kumar, pseud. Ādhunika Kokaśāstra. 1962.
Lua MLA (8ú heag.)Swapan Kumar, pseud. Ādhunika Kokaśāstra. 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.