Here is a selection of resources that I consider really valuable to the path. Have a look.
by Daniel Scharpenburg, translation by Richard Cheung and Ming Zhen Shakya
by Sengcan with commentary by Daniel Scharpenburg
A selection of the teachings of Master Hsu Yun, compiled by Jydin Shakya, Ming Zhen, and Richard Cheung
by Huineng, the Sixth Patriarch. Translated into English by A.F.Price and Wong Mou-Lam.
Diamond and Heart Sutras with commentary by Ming Zhen Shakya
by Tokme Zangpo with commentary by Daniel Scharpenburg
Commentary on traditional Tibetan Mahayana teachings by Daniel Scharpenburg