Subject
- Developmental Disabilities1
- Developmental disabilities1
- Déficience intellectuelle1
- History1
- Imperialism1
- Intellectual Disability1
- Intellectual disability1
- Oratory1
- People with mental disabilities1
- Periodicals1
- Personnes ayant une déficience intellectuelle1
- Persons with Intellectual Disabilities1
- Périodiques1
- Public opinion1
- Social institutions1
- Social problems1
- Sociology1
- Speeches, addresses, etc., American1
- Troubles du développement1
- Vietnam War, 1961-19751