Topic
- Women's clothing20
- Civil rights movements18
- Automobile industry workers16
- Automobile travel16
- Labor unions16
- Automobile dealers14
- Design and construction14
- Radiators14
- Childhood and youth13
- Military policy12
- Social conditions12
- Tires12
- World War, 1939-194512
- African Americans10
- Emigration and immigration10
- Labor leaders10
- Labor movement10
- Windows and windshields10
- Employment9
- Automobile factories8