- 1 Collars (neckwear)
- 1 Collection bags
- 6 College administrators
- 8 College Avenue
- 1 College of Shorthand and Typewriting
- 30 College of the City of New York
- 1 College presidents
- 17 Colleges
- 1 Collegiate Gothic
- 1 Collegiate School & Dancing Academy
- 1 Collieries
- 2 Colliers
- 1 Collingdale, Pennsylvania
- 2 Collins & Co.
- 1 Collins' Factory
- 1 Collins Printing House
- 1 Collins, A.M. Manufacturing Co.
- 5 Collins, Charles Allston, 1828-1873
- 1 Collins, Miss, of Broadstairs
- 17 Collins, Wilkie, 1824-1889
- 6 Collinson & Lock
- 1 Collis, Charles H. T. (Charles Henry Tucky), 1838-1902
- 5 Collotypes (prints)
- 1 Colonade Hotel
- 1 Colonel Woods Museum
- 1 Colonels
- 2 Colonial Revival
- 8 Colonialism
- 2 Colonials (people)
- 2 Colophons (parts of books)
- 16 Color lithographs
- 7 Color prints (prints)
- 6 Color separation positives
- 2 Color wood engravings
- 110 Color woodcuts
- 3 Colorado
- 2 Colorado State Capitol Building
- 4 Colorado Street
- 2 Colors (hues or tints)
- 1 Colossal Hand and Torch, Liberty
