Wikipedia's many articles on Upanishads (e.g Brahma Upanishad, etc. many minor Upanishads) says:
In the Telugu anthology of 108 Upanishads of the Muktika canon, narrated by Rama to Hanuman, this Upanishad is listed at number...
So, I just want to know Is the concept of Muktika canon originated from any Telugu anthology? or Which Telugu anthology constitutes this?