Keshavan Nair, P. K. (1963). Dakshin bharat ke hindi prachar-andholan ka samekshatmak itihas (1.). Hindi Sahithya Bhandar.
Dyfyniad Arddull ChicagoKeshavan Nair, P K. Dakshin Bharat Ke Hindi Prachar-andholan Ka Samekshatmak Itihas. 1. Lucknow: Hindi Sahithya Bhandar, 1963.
Dyfyniad MLAKeshavan Nair, P K. Dakshin Bharat Ke Hindi Prachar-andholan Ka Samekshatmak Itihas. 1. Hindi Sahithya Bhandar, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.