References
- Population and Vital Statistics of Iceland 1911, 1970
- Public Health in Iceland 1911, 1972
- Snaedal G. Landspitalinn Obst.-Gyn. Department. Annual Records 1949, (1963–1971 in press), 1962
- Snædal G., Biering G., Sigvaldason H. Obstetrics and perinatal medicine in Iceland 1881–1971 with a detailed report on deliveries in Iceland 1972–1974. Acta Obstet Gynecol Scand 1975, Supplement 45