by Great Britain. Board of Education. Committee on Defective and Epileptic Children

1898

by Great Britain. Board of Education. Medical Department

1910

by Great Britain. Department of Education and Science

1929

by Great Britain. Parliament. House of Commons

1900

by Great Britain. Parliament. House of Commons

1900

by Great Britain. Parliament. House of Lords

1898

by Great Britain. Laws, statutes, etc

1909

by Great Britain. Board of Education

1902

by Great Britain. Dept. of Education and Science

1903

by Great Britain. Parliament. House of Lords

1908

by Sir Hugh Owen, Great Britain

1903

by Great Britain

1921