References – The Four Noble Truths (1992) 
Modern / Ajahn Sumedho / The Four Noble Truths (1992)

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“Did Ajahn Sumedho have a period when he was more influenced by Zen teachings?” Answered by Ajahn Pasanno. [Ajahn Sumedho] [Zen] // [Dhamma books] [Master Hsu Yun]

Reference: Ch’an and Zen Teachings by Charles Luk (commercial).

Reference: Word of the Buddha by Venerable Ñāṇatiloka.

Reference: The Four Noble Truths by Ajahn Sumedho.

Western Disciples of the Thai Forest Tradition [2016], Session 41, Excerpt 1


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Reflection by Peter Mayland: “No BS that I can note.” [Truth] [Spiritual traditions] [Abhayagiri]

Reference: The Four Noble Truths by Ajahn Sumedho.

Abhayagiri's 20th Anniversary [2016], Session 11, Excerpt 4


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Reading: “The First Noble Truth,” pp. 14-28 in The Four Noble Truths by Ajahn Sumedho. Read by Ajahn Khantiko. [Noble Truth of Suffering]

Western Disciples of the Thai Forest Tradition [2016], Session 51


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Reading: “The Second Noble Truth” pp. 29-37 in The Four Noble Truths by Ajahn Sumedho. Read by Tan Jāgaro. [Cause of Suffering]

Western Disciples of the Thai Forest Tradition [2016], Session 54