Wrote Letter L-579 of 1722-07-07 to James Jurin, a cover letter to Letter L-578, that no little animals are to be found in smallpox pustules; again opposes a proponent of spontaneous generation

Signed autograph letter. The manuscript is to be found in London, Royal Society, Early Letters, L.4.73, 3 quarto pages.

A contemporary English translation by James Jurin is to be found in London, Royal Society, Early Letters, L.4.74; 2 pages. This translation was read at the 15 November 1722 meeting of the Royal Society; Royal Society, Journal Book Original, vol. 13.