Lal, B. K. (1975). The Indian Philosophical Congress: A short history.(1925-1975). Dept. of Philosophy, University of Delhi.
Lua i Stíl Chicago (17ú heag.)Lal, Basant Kumar. The Indian Philosophical Congress: A Short History.(1925-1975). [Delhi]: Dept. of Philosophy, University of Delhi, 1975.
Lua MLA (8ú heag.)Lal, Basant Kumar. The Indian Philosophical Congress: A Short History.(1925-1975). Dept. of Philosophy, University of Delhi, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.