Subjects
- Agricultural laborers -- Political activity1
- Agricultural laborers -- United States1
- Americana1
- Blacks in the motion picture industry1
- Cirripedia1
- Communication Artifacts--Advertising Media--Poster1
- Communication Artifacts--Art--Sculpture1
- Communication Artifacts--Documentary Artifacts--Declaratory Documents--Banner1
- Communication Artifacts--Documentary Artifacts--Graphic Documents--Photograph1
- Communication Artifacts--Documentary Artifacts--Memorabilia--Medal, Commemorative1
- Communication Artifacts--Documentary Artifacts--Memorabilia--Plate, Commemorative1
- Communication Artifacts--Personal Symbols--Achievement Symbols--Award1
- Communication Artifacts--Personal Symbols--Achievement Symbols--Plaque, Award1
- Communication Objects--Documentary Objects--Literary Works--Memoir1
- Communication Objects--Documentary Objects--Other Documents--Correspondence1
- Communication Objects--Documentary Objects--Other Documents--Encyclopedia1
- Composers--United States1
- Conductors (Music)--United States1
- Cuneiform tablets1
- Geology, Stratigraphic—Cretaceous1