Swami Tyagananda is a Hindu monk of the Ramakrishna Order and presently the head of the Ramakrishna Vedanta Society in Boston. Currently he is also the Hindu chaplain at MIT and Harvard.
General talks on Atmabodha (Kannada) by V Subrahmanian
Conversations on Vedanta by Bede Clifford
Chapter 18 - Bhagavad Gita by Karanam Aravinda Rao
Taittiriya Upanishad by Vidyasankar S
Ch 4: Mandukya Upanishad by Swamini Atmaprakashananda