Dentistry on stamps.
Loevy
Hannelore T
HT
Kowitz
Aletha A
AA
D001205:Ascorbic Acid / Q000266:history; D002957:Citrus / Q000266:history; D049668:History, 15th Century; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D009326:Naval Medicine / Q000266:history; D010678:Philately; D011174:Portugal; D012614:Scurvy / Q000266:history*; D006113:United Kingdom
D001205:Ascorbic Acid