References – AN 6.20: Mindfulness of Death (2nd) 
Readings by Ajahn Karuṇadhammo: [Recollection/Death]
Nine point death meditation from the Lam Rim.
Sutta: AN 6.19: Mindfulness of Death (1).
Sutta: AN 6.20: Mindfulness of Death (2).
Sutta: MN 10: Satipaṭṭhāna Sutta, The Foundations of Mindfulness, Charnel ground contemplations.
“Only the Practice of Dharma Can Help Us at the Time of Death,” Larry Rosenberg, Tricycle, Summer 2000.