References – AN 1.616-627: Freedom From Death 
Sutta / Aṅguttara Nikāya / AN 1: Ekakanipāta / AN 1.616:

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Readings from Body Contemplation: A Study Guide by Ajahn Ṭhānissaro. Read by Ajahn Karuṇadhammo. [Mindfulness of body]

AN 4.184: Janussonī; AN 10.60: Girimananda; SN 35.247: Six Animals; AN 4.45: Rohitassa; Thag 1.104: Khitaka.

Dhp 259, Dhp 299, Dhp 46; Ud 3.5.

AN 1.575 and onward, Mindfulness immersed in the body (SuttaCentral numbering).

AN 1.616 and onward, Deathless (SuttaCentral numbering).

The Four Foundations of Mindfulness [2015], Session 5