Text ( visual ) : unmediated Understanding Zen / Benjamin Radcliff, Amy Radcliff. -- : pbk. -- Boston : C.E. Tuttle Co. , 1993. -- x, 175 p. ; 22 cm. -- (Tuttle library of enlightenment). -- Includes bibliographical references and index. -- ISBN 0804818088 ; (BA20936741) ; https://ci.nii.ac.jp/ncid/BA20936741 Author Heading(s): Radcliff, Benjamin ; Radcliff, Amy. -- Classification(s): LCC : BQ9268.5 ; DC20 : 294.3/927. -- Subject Heading(s): LCSH : Zen Buddhism -- Doctrines -- Introductions