The strength of being clean : the physiological laws governing the pursuit of happiness ; The philosophy of hope : understanding the process by which hope displaces despair : an owners manual to the human soul /
David Starr Jordan.
- Mesa, Ariz. : Joseph M. Thompson, 1983.
- 90 p. ; 22 cm.
Reprints. The philosophy of hope originally published as The philosophy of despair. Includes index.