LSource 4: Letter sent by doctors from Oxford to the Lord Mayor of London, c.1350 If an ulcer appears … near the ear or the throat, take blood from the arm on that side, that is, from the vein between the thumb and the first finger … But if you have an ulcer in the groin, then open a vein in the foot between the big toe and its neighbour … At all events, bloodletting should be carried out when the plague first strikes.
LSource 5: Robert of Avesbury, Chronicle, c.1360 In 1349 over six hundred men came to London from Flanders … Each wore a cap marked with a red cross in front and behind. Each had in his right hand a scourge [whip, often with leather tails hanging from it] with three nails … They marched naked in a file one behind the other and whipped themselves with these scourges on their naked bleeding bodies.
LSource 6: Giovanni Boccaccio, Decameron, c.1360 Some did not shut themselves in, but went about, some carrying flowers in their hands, some fragrant herbs … which they frequently smelled, thinking it good to comfort the brain with such odours.