Title: Chāndogyopaniṣat
Description: Hindu philosophical classic with four commentaries i. e. Pratipadārthadīpikā by Bhāradvāja Rāmanujācārya,  Prakāśikā by Raṅgarāmānujamuni, Ānandabhāṣya by Rāmānandamuni, and Subodhinī by Gopālanandayogi - all belonging to the period from 14th to 18th century A.D.
Subjects: Upanishads, Commentaries, Early works to 1800