The Middle Length Discourses: Sutta 40 - Cula-Assapura Sutta: Shorter Discourse At Assapura
The Middle Length Discourses: Sutta 117 - Mahācattārisaka Sutta: The Great Forty
The Middle Length Discourses: Sutta 41 - Sāleyyaka Sutta: Brahmins of Sālā
The Middle Length Discourses: Sutta 39 - Mahā-Assapura Sutta: Greater Discourse On Assapura
The Middle Length Discourses: Sutta 130 - Devaduta Sutta: Discourse On The Divine Messengers
Majjhima Nikaya (MN 39: part 1, section 2, 2010.11.3) Bhikkhu Bodhi.MPG
The Middle Length Discourses: Sutta 149 - Mahāsalāyatanika Sutta: The Great Sixfold Base
The Middle Length Discourses: Sutta 18 - Madhupiṇḍika Sutta: The "Honey Ball" Discourse.
Mahā Cattārisaka Sutta (Discourse on the Great Forty) - English
Majjhima Nikaya (MN 39: part 3, section 1, 2010.11.27) Bhikkhu Bodhi.MPG
Forty Aspects of the Path: Dhamma Talk by Bhante Suddhaso on the Mahā-Cattārīsaka Sutta (part 1)
The Numerical Discourses: Book III: Suttas 31-40, "The Divine Messengers."
Majjhima Nikaya (MN 103, part 1-2: 2013.8.3) Bhikkhu Bodhi
Majjhima Nikaya (MN 39: part 3, section 2, 2010.11.27) Bhikkhu Bodhi.MPG
MNz_118 Mindfulness of Breathing, Bhikkhu Thanissaro, Middle-length Disc (Feb 2020, Audio Texts)
MN117 - The Great Forty ("speech")
Majjhima Nikaya (MN 22: part 2, section 1, 2010.4.17) Bhikkhu Bodhi.MPG
The Middle Length Discourses: Sutta 48 - Kosambiya Sutta: The Kosmbians
The Middle Length Discourses: Sutta 35 - Culasaccaka Sutta: Shorter Discourse To Saccaka
Teachings of the Buddha - Shorter Discourse on Ways of Undertaking Things - Culadhammasamadana Sutta