2 ALS and a fragment of an ALS. Lister writes to James Burn Russell, inquiring about the use and success of anti-plague sera against the plague in Glasgow, and to Herbert Edward Durham, on the question whether the mosquito is the carrier of the yellow fever agent, suggesting various experimental ways to discover the bacilli and establish their development within the organism of the mosquito.

ALS. Fuente submits two recipes which he has found to be effective in the alleviation of yellow fever and asks that his findings be reported to the U.S. Consuls in Mexico and the Antilles and to the authorities in Vera Cruz, Havana and Philadelphia. Fuente understood the yellow fever to be a kind of colic, a disease of the digestive organs.

ALS relating to yellow fever. Deveze puts forth various theories, e.g. that yellow fever is produced by an infected atmosphere and that it is not contagious and thus cannot be transmitted by inoculation.

ALS. Writes that, in his opinion, yellow fever is not contagious, but rather "an epidemical fever, arising from some general cause". He draws upon observations of cases in Philadelphia and in the West Indies.