HILGERST.W., Reproductive Anatomy and Physiology for the Natural Family Planning Practitioner, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1981.
2.
HILGERST.W. (ed.), Relevant Issues in Natural Family Planning, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1981.
3.
HILGERST.W. - PREBILA.M. - DALYK.D. - HILGERSS.K., The Picture Dictionary of the Ovulation Method and Other Assorted Teaching Aids, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1982.
4.
HILGERST.W. - DALYK.D. - HILGERSS.K. - PREBILA.M., The Ovulation Method of Natural Family Planning: A Standardized Case Management Approach to Teaching. Book I, Creighton University Natural Family Planning Education and Reseacrh Center, Omaha, Nebraska1982
5.
HILGERST.W. - HILGERSS.K. - PREBILA.M. - DALYK.D., Becoming a Natural Family Planning Educator, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1982
6.
HILGERST.W. - DALYK.D. - PREBILA.M. - HILGERSS.K., Becoming a Natural Family Planning Supervisor, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1982
7.
HILGERST.W. - DALYK.D. - PREBILA.M. - HILGERSS.K., Natural Family Planning Core Curriculum, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1983
8.
HILGERST.W., The Medical Applications of Natural Family Planning: A Contemporary Approach to Women's Health Care, Pope Paul VI Institute Press, Omaha, Nebraska1991.
9.
HILGERST.W., Endocervical Mucus Correlations and the Ovulation Method, in SantamariaJ., BillingsJ., Editors, Human Love and Human Life, Polding Press, Melbourne1979.
10.
HILGERST.W., Hormonal Profiles in Users of the Ovulation Method, in Santamaria-Billings, Human Love and …
11.
HILGERST.W., An Obstetrician Looks at Natural Family Planning, in Santamaria-Billings, Human Love and …
12.
HILGERST.W., The New Technologies of Birth, in McCARTHYD. (ed.), The New Technologies of Birth and Death: Medical, Legal and Moral Dimensions, Proceedings of the Workshop for Bishops of the United States and Canada, Dallas, Texas, January 28-31 (1980), Pope John XXIII Medical-Moral Research and Education Center, St. Louis, Missouri 1980.
13.
HILGERST.W., The Correlation of Ovulation and Other Biologic Parameters with Natural Family Planning, in The Natural Regulation of Female Fertility, The Proceedings of an International Conference on Natural Fertility Regulation held March 19-21 (1988), Bologna, Italy. Tecnoprint, via del Lagtore 3, Bologna, Italy, pp. 131–142.
14.
HILGERST.W., The Pyschosexual Aspects of Natural Family Planning, in The Natural Regulation of Female …, pp. 181–192.
15.
HILGERST.W., The Ovulation Method and the Study of Reproductive Abnormalities, in The Proceedings of the Workshop on “Natural Fertility Regulation Today”, Sponsored by the World Health Organization, Geneva, Switzerland, March 17-19 (1988), Rome, Italy, In Press.
16.
HILGERST.W., Expanding our Human Sexual Horizons, in The Gift of Life, WALLACEM. - HILGERST.W. (eds.), Pope Paul VI Institute Press, Omaha, Nebraska1990, pp. 41–48.
17.
HILGERST.W., Recent Advances in Infertility Evaluation and Treatment, in The gift of Life …, pp. 127–148.
18.
HILGERST.W., Family Planning Issues: Norplant, Uterine Isolation and Natural Family Planning, in Proceedings of the Eleventh Bishops Workshop — The Interaction of Catholic Bioethics and Secular Society, Edited by SmithRussell, CenterPope John, Braintree, Mass., February 5 (1992).
19.
HILGERST.W. - DALYK.D. - HILGERSS.K. - PREBILA.M., Some Techniques of Follow-up, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska 1980 (with Revision, 1983) - Videotape.
20.
HILGERST.W., The Pregnancy Evaluation, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1981 - Videotape.
21.
HILGERST.W. - PREBILA.M. - HILGERSS.K. - DALYK.D., Pitfalls in NFP Communication, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1981 - Videotape.
22.
HILGERST.W. - HILGERSS.K. - PREBILA.M. - DALYK.D., Basic Behavioral Issues in Natural Family Planning, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1980 - Videotape.
23.
HILGERST.W. - DALYK.D. - PREBILA.M. - HILGERSS.K., Advanced Behavioral Issues in Natural Family Planning, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1981 - Videotape.
24.
HILGERST.W., The Emotional Aspects of Infertility: Experiences of Three Couples, Creighton University Natural Family Planning Education and Research Center, Omaha, Nebraska1985 - Videotape.
25.
HILGERST.W., Encountering Human Ecology: Natural Family Planning, Pope Paul VI Institute Press, Omaha, Nebraska1989 - Videotape.
26.
HILGERST.W., Living Proof: A Visual Encounter with the Unborn, Pope Paul VI Institute Press, Omaha, Nebraska1990, 29 minutes - Videotape.
