Author: Mishra, Mahamahopadhyaya Umesha
Publisher:Tirabhukti, Allahabad
Copyright:1966
Author: Bhayani, H. C.
Publisher:L.D. Institute of Indology, Ahmedabad
Copyright:1983
Author: Roy, Dilip Kumar
Publisher:Bharatiya Vidya Bhavan, Bombay
Copyright:1966