Research Guideline: scholarly approved to be authentic and genuine.
Internet Sources:
Access to Insight: Readings in Theravada Buddhism
http://www.accesstoinsight.org/index.html
Association for Insight Meditation - Bhikkhu Pesala
http://www.aimwell.org/
Mahasi Meditation Center - Buddha Sasana Nuggaha Organisation
http://web.ukonline.co.uk/buddhism/mahasi.htm
Books:
Digha Nikaya - Bhikkhu Bodhi (Boston: Wisdom Publications 1995)
Majjhima Nikaya - Bhikkhu Bodhi (Boston: Wisdom Publications 1995)
Samyutta Nikaya - Bhikkhu Bodhi (Boston: Wisdom Publications 2000)
Visuddhimagga: The Path of Purification - Bhikkhu Nanamoli (Seattle: Buddhist Publication Society Pariyatti Editions 1991)
Kathavatthu - Points of Controversy - Shwe Zan Aung & Mrs. Rhys Davids (Oxford: The Pali Text Society 2001)