Mullen, John Douglas. Kierkegaard's philosophy : self - deception and cowardice in the present age John Douglas Mullen. - New American Library New York 1981 c1981 - [xiii], 176 p. ;18 cm. "A Mentor book." Includes bibliographical references and index. ISBN: 0451619455 (pbk.) Subjects--Topical Terms: Kierkegaard , S2ren , 1813-1855.--B LC Class. No.: B4377.M78 1980