The health and physical development of idiots as compared with mentally sound children of the same age G. E. Shuttleworth
Barriers to Play and Recreation for Children and Young People with Disabilities. Exploring Environmental Factors Deborah Fenney Salkeld, Nan Cannon Jones, Carol Barron, Helen Lynch, Marieke Coussens, Angharad Beckett, Annemie Desoete, Maria Prellwitz