Subject
- Chlorine1
- Christmas13
- Christmas cards2
- Chrysler Corporation1
- Church, A.1
- Citibank (New York, N.Y.)1
- Citizenship27
- Citric acid1
- City halls1
- Civil defense1
- Clark, George L. (George Lindenberg), 1892-19692
- Clarke, Eric, 1890-19681
- Clausius, R. (Rudolf), 1822-18882
- Climax Molybdenum Company1
- Clippings (Books, newspapers, etc.)69
- Clothing and dress2
- Clubs1
- Coal1
- Coehn, Alfred, 1863-19381
- Cohen, Ernst, 1869-194429