1. On the influence of abnormal parturition, difficult labor, premature birth, and asphyxia neonatorum, on the mental and physical conditions of the child, especially in relation to deformities;Little;Tr. Lond. Obstet. Soc.,1862
2. The natural history of cerebral palsy;Crothers,1959
3. Pathogenesis of cerebral diplegia;Collier;Proc. Roy. Soc. Med.,1923
4. Cerebral birth injuries and their results;Ford;Medicine,1926
5. The obstetrical background of 753 cases of cerebral palsy;Eastman;Obst. & Gynec. Surv.,1962