Dunn, David, 1887-, Try giving yourself away : a tonic for these troubled times / [print] by David Dunn. - 3d ed. - Englewood Cliffs, New Jersey, Prentice-Hall [(c)1970. - ix, 145 pages 22 cm. ISBN: 0139324593 LCCN: 74102032 LC Class. No.: BJ1581.T794 1970 BJ1581.D923.T794 1970