Summa de abstinentiaNicolas, de Byard[between 1300 and 1400]latManuscript on parchment of Nicolaus de Byard, Tractatus de vitiis et virtutibusIn Latin.Script: copied by one hand in rounded Gothica Semitextualis Libraria with southern features, except ff. 154v-158v16, which are copied in an angular and bold Gothica Textualis Libraria.Red headings and paragraph marks. Red stroking of majuscules.Binding: S. XIX (?) plain parchment binding over cardboard. On the flat spine the handwritten erroneous title “JOHANNES / DE / TURRECREMATA / FLOS THEOLOGIE”.