Encyclopedias, Almanacs, Transcripts, and Maps
- Cross Infection
- Cross-Cultural Communication, Competence
- Cubberley, Ellwood (1868–1941)
- Cults and Drug Use
- Cultural Appropriateness
- Cultural Diversity
- Cultural Factors
- Cultural Identity
- Cultural Norms
- Culture, Origins of
- Curriculum, Higher Education
- Curriculum, International
- Curriculum, School
- Curti, Merle (1897–1996)
- Cyclical Universe
- Cytomegalovirus Disease
- Dalton School
- Darwinism, Neo
- Data Sources and Collection Methods
- De Lima, Agnes (1887–1974)