1Thomas Jefferson to Joel Yancey, 17 January 1819 (Jefferson Papers)
this year his soap weighs 38. ℔ instead of 45 ℔. and
2Thomas Jefferson to James Cutbush, 7 January 1820 (Jefferson Papers)
soap-making, incubation E
3Memorandum Books, 1826 (Jefferson Papers)
N. Trist for shaving soap .37½....e.g. rice, cheese, candles, oil, raisins, soap, spices &c.