References
- Brillman , J. 1970 . The cervical cap 1 – 8 . (unpublished article), Boston Women's Health Collective
- Finch , B. E. and Green , H. 1963 . Contraception through the ages , Springfield : Charles C Thomas Publisher .
- Fink , F. 1931 . Wirkung der verhutungsmittel erfahrungen aus der eheund sexual beratung fft . Arch F. Gynaek. , 144 : 334 – 338 .
- Grafenberg , E. and Dickinson , R. L. 1944 . Conception control by plastic cervix cap . Western Journal of Surgery, Obstetrics and Gynecology , 52 ( 8 ) : 335 – 340 .
- Himes , N. F. 1942 . Practical birth-control methods , New York : The Viking Press .
- Jackaway , G. 1980 . Cervical cap shipment seized . National Women's Health Network News , 5 ( 4 ) : 4
- Kabanova , A. 1936 . Mechanical methods of contraception . Journal of Contraception , 1 ( 8 ) : 111 – 112 .
- Kafka , K. 1908 . Ueber den neuen kappenverschluss des muttermunds und seine indikationen . Klinisch-Therapeutische Wochenschrift , 50 : 1390 – 1397 .
- King , L. 1981 . The cervical handbook for users and fitters , Iowa City : Emma Goldman Clinic for Women .
- Lehfeldt , H. , Sobrero , A. J. and Inglis , W. 1961 . Spermicidal effectiveness of chemical contraceptives used with the firm cervical cap . American Journal of Obstetrics and Gynecology , 82 ( 2 ) : 446 – 448 .
- Marshall , J. 1977 . “ A re-appraisal of female barrier methods of contraception ” . In Digest (11)
- Moses , B. L. 1941 . A flat rim cervical cap . Human Fertility , 6 ( 5 ) : 138 – 139 .
- Peel , J. and Potts , M. 1969 . Textbook of contraceptive practice , Cambridge : University Printing House .
- Schnucker , R. B. 1975 . Elizabethan birth control and puritan attitudes . Journal of Interdisciplinary History , 5 ( 4 ) : 655 – 667 .
- Seaman , B. August 1 1979 . Testimony before the U.S. Senate subcommittee on health and scientific research , August 1 , Washington , DC : Edward Kennedy Chair . (transcript)
- Seaman , B. and Seaman , G. 1977 . Women and the crisis in sex hormones , New York : Bantam Books, Inc. .
- Stone , H. 1937 . Occlusive methods of contraception . The Journal of Contraception , 2 ( 5 ) : 102 – 109 .
- Suitters , B. 1967 . The history of contraceptives , London : The Fanfare Press Ltd .
- Tietze , C. , Lehfeldt , H. and Liebmann , H. G. 1953 . The effectiveness of the cervical cap as a contraceptive method . American Journal of Obstetrics and Gynecology , 66 ( 4 ) : 904 – 908 .
- Utah Women's Clinic . 1981 . Protocol for investigational use of cervical cap as a barrier method of contraception (Unpublished protocol submitted to University of Utah Human Subjects Committee)
- Willis , M. S. 1979 . Cervical caps: Old and yet too new . Science News , 116 : 431 442