Russel`s, Bertrand . Sukhar Sandhan / Textual Documents Bertrand Russel`s. - 4th ed / - Guwahati : Assam Prakashan Parishad , 2004. - 168pg ; 21cm. Issued to the Deptt(Assamese) Subjects--Index Terms: Conquest of Happiness Dewey Class. No.: 171.4 / R 911 Su