Here are two articles: Sūta samhitā Chandogya: http://advaita-academy.org/sutasamhita-chandogya-upaniṣat-part-18/ Sūta samhitā Bṛhadāraṇyaka: http://advaita-academy.org/sutasamhita-bṛhadaraṇyaka-upaniṣat-part-8/ regards subrahmanian.v