Directory of Institutions for higher education India
Ministry of education.
- Delhi Ministry of Education 1951-1959
- v1.Katha, Isa, Kena, and Mundaka . - v2. Svetasvatara,Prasna,and Mandukya with Gaudapada's Karika. - v3. Aitareya and Bribadaranyaka. - v4.Taittiriya and Chhandogya.