Letters written by Julia Rush, wife of Benjamin Rush, mainly to her husband, with one to Samuel Stockton and one to Mary Rush. Eight letters were written during the 1793 yellow fever epidemic. The letters are not included in Lyman Butterfield's edition of Benjamin Rush's letters, vol. 30 of APS Memoirs (1951).

This autobiography relates Rush's experiences in college and medical school; his meetings with notable doctors; his life in Scotland, England, and France; his medical views; the military and politics during the Revolutionary War; and brief sketches of personalities of that period.

This group includes wills for Benjamin Franklin Bache (B/B122.w), Richard Bache (B/B121.w), George Clymer (B/C625.w), Benjamin Franklin (B/F85.w), Francis Hopkinson (B/H768.w), Jared Ingersoll (Misc. Ms. Coll.), Thomas McKean (B/M195.w), Thomas Mifflin (B/M586.w), Robert Morris (B/M835.w), George Ross (B/R735.w), and Benjamin Rush (B/R89.w).

The collection includes letters between Hutchinson and his uncle Israel Pemberton, written while Hutchinson was a student of medicine in London. There are also 12 tickets of admission to medical lectures in Philadelphia and London, including one given by William Hunter, and 3 unused cards of admission to Hutchinson's own lectures. Miscellaneous items include Hutchinson's marriage certificate; genealogical data on the Hutchinson, Hare, and Pemberton families; and stock certificates, 1857-1872, of the McKean and Elk Land and Improvement Company. Materials dated post-1793 are to and from Hutchinson family members.