1. Bout J. Moedersterfte in Nederland. Amsterdam, Free University, 1971. 201 pp. Dissertation.
2. Under-reporting of maternal mortality in the Netherlands;Schuitemaker;Obstet Gynecol,1997
3. International classification of diseases. Manual of the international classification of diseases, injuries and causes of death. Based on the recommendations of the 9th revision conference, 1975, and adopted by the 29th World health Assembly. Geneva: World Health Organisation, 1977: vol. 1.
4. Report on Confidential Enquiries into Maternal Deaths in the UK 1985–1987. London: HMSO, 1991.
5. Report on Confidential Enquiries into Maternal Deaths in the UK 1988–1990. London: HMSO, 1994.