Umāpati Civācāriyār, 1. c., & Murugesa Mudaliar, N. (1976). Sankarpa nirakaranam of Sri Umapati Sivacarya: An arrangement of formulations and refutations of inner schools of thought with reference to Saiva siddhanta. Dharmapuram Adhinam.

Umāpati Civācāriyār, 14th cent, and N. Murugesa Mudaliar. Sankarpa Nirakaranam of Sri Umapati Sivacarya: An Arrangement of Formulations and Refutations of Inner Schools of Thought with Reference to Saiva Siddhanta. Dharmapuram, Mayuram: Dharmapuram Adhinam, 1976.

Umāpati Civācāriyār, 14th cent, and N. Murugesa Mudaliar. Sankarpa Nirakaranam of Sri Umapati Sivacarya: An Arrangement of Formulations and Refutations of Inner Schools of Thought with Reference to Saiva Siddhanta. Dharmapuram Adhinam, 1976.