Columbia subject headings:
Children with disabilities--Care--History--19th century.
Children with disabilities--Care--History--20th century.
Children with disabilities--Services for--History--19th century.
Children with disabilities--Services for--History--20th century.
Harvard subject headings:
Children with disabilities--Care--History--19th century.
Children with disabilities--Care--History--20th century.
Children with disabilities--Services for--History--19th century.
Children with disabilities--Services for--History--20th century.
Princeton subject headings:
Children with disabilities--Care--History--19th century.
Children with disabilities--Care--History--20th century.
Children with disabilities--Services for--History--19th century.
Children with disabilities--Services for--History--20th century.
Essays.