1. Letters in Gentleman’s Magazine. 1754;24:493. 549
2. Weszpremi S. Tentamen de inoculanda peste. London: Tauch J, 1755, 3
3. Brown C. Dissertatio medica inauguralis de morbillis. Edinburgh: Hamilton and Balfour, 1775, 3
4. Monro A (secundus). De venis lymphaticis valvulosis et de earum imprints origine. Berolini, 1757, quoted by Hektoen, 239
5. Hektoen L. Experimental measles. J Infect Dis 1905;2:238–55