1. The Dignity of Labour;Cartwright,1979
2. Some experiments with factors that might affect the response of mothers to a postal questionnaire;Cartwright;Statistics in Medicine,1986
3. Who responds to postal questionnaires?;Cartwright;Journal of Epidemiology and Community Health,1986
4. Cartwright A (In draft) Comparisons between data from interviews and from postal questionnaires
5. Cartwright A, Jacoby A, Martin C J Problems extracting data from hospital maternity records. To be published in Community Medicine