Guha Majumdar, Roby Possibilism / Roby Guha Mojumdar - Calcutta : Nalini Nath Majumdar Memorial Trust, 1966 - 2 v. : ill., diagr. ; 22 cm. Library has vol.1 Includes index ISBN: Rs. 15.00 Subjects--Topical Terms: PossibilityMatterConceptsKnowledge, Theory of Dewey Class. No.: 111.83