The Middle Length Discourses: Sutta 27- Culahatthipadopama Sutta: Elephant's Footprint-Shorter Disc.
The Middle Length Discourses: Sutta 28- Mahāhatthipadopama Sutta: Elephant's Footprint-Greater Disc.
The Middle Length Discourses: Sutta 128 - Upakkilesa Sutta: Discourse on the Deceptions in the Mind.