« Previous
Next »
Subject
- Pasteur, Louis, 1822-189538
- Chemists26
- Microbiologists22
- Institut Pasteur (Paris, France)12
- Portraits10
- Scientists9
- Commemorative postage stamps6
- France6
- France--Paris6
- Science on postage stamps6
- Vaccination6
- Académie nationale de médecine (France)5
- Arsenites5
- Crystals--Structure5
- Laboratories5
- Postmarks5
- Science--Study and teaching5
- Stereochemistry5
- Tartaric acid5
- Cachets (Philately)4