T. R. Srinivasa Ayyangar

• The Saiva Upanisads
• The Samanya Vedanta Upanisad-s
• The Yoga Upanisads
• Śaiva Upaniṣads
• Śaiva Upaniṣads
• Saundarya-lahari (The ocean of beauty) of Śri Śamkara-Bhagavat-pāda
• The Sāmānya Vedānta Upaniṣads
• Varivasyā-rahasya of Śrī Bhāskara-rāya Makhin