- Yale University38
- Barbour, Margaret Hart36
- Goodrich, Chauncey, 1836-192536
- Goodstein, Gerry36
- Hillers, John K28
- Street, A. Burton28
- Kolb Bros27
- Commercial Photo Service26
- Stoller, Ezra26
- Caldwell, Mary W.23
- Spark, Debra A.23
- Yale University School of Medicine22
- Miller/Swift (East Haddam, CT)18
- Commencement Photographs, Inc.17
- Streeter, Edward Clark, 1874-194717
- Farquhar, Marilyn G16
- Klemm, Robert C16
- Barbour, George B. (George Brown), 1890-197715
- Boyd, Walter W. (Walter Willard),15
- Poole, Frank,15