How to Avoid the Plague, 1550

Ortus Sanitatis, 1494

But it is good in all tymes, to beare about you preciouse stones, (yf ye have them) speciallye a iacincte, a rubie, a garnet, an emeralde, or a saphyre, whiche hath a special vertue agaynst the pestilence, & they be the stronger, yf they be borne upon youre naked skinne, chieflye upon the fourth finger of the left hande, for that hath greate affinitie with the hert above other membres.

The Regiment of Lyfe, Whereunto is Added a Treatise of the Pestilence

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