Piper, Otto A., 1891- The Christian interpretation of sex. - New York, Scribner, 1941. - xv, 234 p. 21 cm. "A bibliographical guide to further study": p. [213]-219. LCCN: 41014065 Subjects--Topical Terms: Sex.Sexual ethics.Marriage. LC Class. No.: BT708 / .P5 Dewey Class. No.: 261.8357 / PIP