केवल स्वविकल्प से कल्पित - one of the best expressions for the description of tamasika Tantras/Agamas!!!!!!!!!
The expression is cited in "Pancharatra Agama" by Raghava Prasad Chowdhary, but the expression itself is from "Shree Ishwara-Samhita".
Raghava Prasad Chowdhary refers to
as the source.
As for the Sattvika Tantras/Agamas Raghava Prasad Chowdhary mentions "Shree Vishnu-Vaibhavika-Samhita" - one of the most beautiful Samhitas' Name in all PanchaRatrik Sahitya!
The full list of Sattvika Samhitas: