The Shurangama Sutra Volume 1: Complete Text - The Buddha guides Ananda to find the location of the "Mind" through detailed inquiry, sequentially refuting the views that the mind is inside, outside, in the eye organ, or between inside and outside.
The Amitabha Sutra: Teaching Sentient Beings to Attain Rebirth in the Pure Land through Faith, Vows, and Recitation of Amitabha's Name, Thereby Achieving Liberation and Supreme Joy