Namaste Here are two articles available for reading: Sūtasamhitā Chāndogya Upaniṣad: http://advaita-academy.org/sutasamhita-chandogyopaniṣat-part-17/ Sūtasamhitā Bṛhadāraṇyaka Upaniṣad: http://advaita-academy.org/sutasamhita-bṛhadaraṇyaka-upaniṣat-part-7/ regards subrahmanian.v