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Creator
- Dearborn Chemical Company115
- C. & C. Photo Service22
- Central Scientific Company21
- Evening Wisconsin Printing Company21
- D.C. Heath and Company11
- Hercules Incorporated11
- Tower, Samuel Francis11
- University of Chicago. Press9
- Williams, W. Bradford (William Bradford)9
- Wm. Gaertner & Company8
- Pew Charitable Trusts6
- Skil-Craft Corporation6
- Urey, Harold Clayton, 1893-19815
- Bredig, Max Albert, 1902-19773
- Meade, Richard K. (Richard Kidder), 1874-3
- Mueller Photo3
- Mulliken, Robert Sanderson3
- The Chemical Engineer Publishing Co.3
- Claire Manufacturing Company2
- Curt Teich & Co.2