Creator
- Pittsburgh Plate Glass Company 6
- Porter, Tom 6
- Rood, Ogden N. (Ogden Nicholas), 1831-1902 6
- Russell, Dale 6
- Taylor, J. Scott (John Scott) 6
- Albers, Josef, 1888-1976 5
- Burris-Meyer, Elizabeth, 1899- 5
- E.I. du Pont de Nemours & Company 5
- Geo. D. Wetherill & Co 5
- Gerstner, Karl 5
- Harris, Moses, 1731?-1785? 5
- Harrison Bros. & Co 5
- Hay, D. R. (David Ramsay), 1798-1866 5
- Hiler, Hilaire, 1898-1966 5
- Hunt, Roland 5
- Hurst, George H. (George Henry) 5
- Interessengemeinschaft Farbenindustrie Aktiengesellschaft 5
- Itten, Johannes, 1888-1967 5
- Kelly, Kenneth Low, 1910- 5
- Linton, Harold 5