Indira Gandhi National Open University, New Delhi, Available Volumes: NULL, Year: 2004 Andhra University, Waltair, Available Volumes: Vol.3-11,1963-1971 Tilka Manjhi Bhagalpur University, Bhagalpur, Available Volumes: Vol. ,1972 University of Delhi, Delhi, Available Volumes: Vol.97,No.3-100,1967-1970
