Subject
- Illustrated works2
- Infrared spectroscopy2
- Institut Pasteur (Paris, France)2
- Jewish Hospital of St. Louis2
- Laboratory animals2
- Leeches2
- Microbiologists2
- Nobel Prize winners2
- Norda Essential Oil and Chemical Company2
- Perfumes industry2
- Perkin-Elmer Corporation2
- Phlebotomy2
- Porter Chemical Company2
- Postage stamps2
- Postcards2
- Radio Corporation of America2
- Science on postage stamps2
- Somogyi, Michael, 1883-19712
- Spectrophotometer2
- Spectrum analysis2