The journal 100 years ago. July 1849 and 1899.
Colon
G A
GA
D004196:Disease Outbreaks / Q000266:history; D049672:History, 19th Century; D008145:Louisiana; D008800:Mexico; D011790:Quarantine / Q000266:history*; D014195:Travel; D015004:Yellow Fever / Q000453:epidemiology / Q000266:history* / Q000517:prevention & control