On Physical Ligatures – Latin
- Title (English):
 - On Physical Ligatures (or: On Incantation, On Medical Amulets)
 - Title (Latin):
 - De physicis ligaturis (or: De incantatione)
 - Author:
 - Costa ben Luca (Qusṭā ibn Lūqā).
 - Translation:
 - anonymous (Ps.-Arnald of Villanova, perhaps Constantine the African).
 - Transcribed from:
 - Judith Wilcox and John M. Riddle, ‘Qusṭā Ibn Lūqā’s Physical Ligatures and the Recognition of the Placebo Effect’, in: Medieval Encounters 1 (1995), pp. 1–50, here pp. 31–39. Online at https://doi.org/10.1163/157006795X00046.
 - Additional sources:
 [MS London]: MS London, BL, Additional 22719, ff. 200v-201v. Online at http://www.bl.uk/manuscripts/FullDisplay.aspx?ref=Add_MS_22719.
- Transcribed by:
 - Leandra Fuchs.
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