1. Himes E: Medical history of contraception. New York, Schocken Books, 1970, p 219.
2. Dienes: Law politics and birth control. Urbana, University of Illinois Press, 1972, p 4.
3. Mass. Rev. Stats. Chap. 130, Sec. 10 (1836)
4. 18 USC 1461–1462 (1873)
5. Fryer P: The birth controllers. London, Secker &Warburg, 1965, p 193.