The zen teaching of Hui Hai on sudden illumination - Hui Hai (Huaihai), 720-814; Blofeld, John, 1913-1987; Luk, Charles, 1898-1979 (London : Rider, 1973)
A complete translation of the Tun Wu Ju Tao Yao Men Lun and of the previously unpublished Tsung Ching Record