1To Thomas Jefferson from Peter Charles Varlé, 1 February 1798 (Jefferson Papers)
...the ravages of yellow fever in Philadelphia in 1793 he developed a plan for...
2To Thomas Jefferson from Benjamin Rush, 29 July 1799 (Jefferson Papers)
...of the Malignant Bilious, or Yellow Fever in Philadelphia, and upon the Means of Preventing...
3To Thomas Jefferson from John Page, 16 September 1804 (Jefferson Papers)
...of the Malignant Bilious, or Yellow Fever in Philadelphia, and upon the Means of Preventing...
4Eusebio Valli to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
of yellow fever in Philadelphia and
5Thomas Cooper to Thomas Jefferson, 21 August 1820 (Jefferson Papers)
yellow fever; in Philadelphia [index entry]
6William Short to Thomas Jefferson, 25 October 1820 (Jefferson Papers)
yellow fever; in Philadelphia [index entry]
7James Monroe to Thomas Jefferson, 15 November 1820 (Jefferson Papers)
yellow fever; in Philadelphia [index entry]