Sources for comparison
Source: राममिश्रशास्त्री १९३७ Source: SA EN buitenen 1971 Source: नरसिंहार्यः १९७६ Source: EN
From राममिश्रशास्त्री -
The āgamaprāmānyam by śrī yāmunācāryaswāmin the Paramaguru of śrībhāśyācārya.
Edited by A.S.T.S.P.S.M.M. M. rāmamiśraśāstri, Professor Sanskrit College 1937