- Rockwell, Norman, 1894-1978 (16)
- Robbins, Kula (11)
- Koerner, Henry, 1915-1991 (6)
- National Board of the Young Men's Christian Associations. Armed Services Dept. (6)
- Atherton, John, 1900-1952 (5)
- Bell Museum of Natural History (5)
- Keppler, Victor, 1904-1987 (5)
- Knabe (5)
- Falter, John Philip, 1910-1982 (4)
- Seaman (4)
- Signature unclear (4)
- YMCA of the USA (4)
- Elliott, Richard Maurice, 1887-1969 (3)
- Fischer, Anton Otto, 1882-1962 (3)
- Flagg, James Montgomery, 1877-1960 (3)
- Helguera, Leon, 1899-1970 (3)
- Hydrographic Office, U.S. Navy (3)
- Jaques, Francis Lee, 1887-1969 (3)
- Ragan, Leslie Darrell, 1897-1972 (3)
- Sarra, Valentino, 1903-? (3)