There is a Field ~ Rumi from The Essential Rumi, page 36
The Four Immeasurable Qualities by Rinpoche
Phenomenology of Self by Carl Jung
The I Ching or Book of Changes Forward by Carl Jung
Human Nature, Buddha Nature – On Spiritual Bypassing by John Welwood
Self-examination, Meditation, and Prayer from 12 Steps & 12 Traditions; Step 11, page 98
The Hole in the Donut from 12 Steps & 12 Traditions; Step 3, page 36