Advaita Vedanta:

Ramana Maharshi

Resources

Zen:

-Cultivating the Empty Field - The Silent Illumination of Zen Master Hongzhi

-Affirming Faith in Mind - Hui Neng

-The Zen Teaching of Huang Po - On The Transmission of Mind

-The Zen Teaching of Bodhidharma

-The Heart Sutra (Prajña Paramita Hridaya)

-Master Hakuin’s Chant in Praise of Zazen

Dzogchen:

-The Gospel of Garab Dorje

-Self-Liberation Through Seeing with Naked Awareness