1. Expositio in Isagogen Porphyrii cum quaestionibus Iohannis Duns Scoti Creator: Gualterus, de Wervia Published / Created: approximately ca. 1500. Call Number: Beinecke MS 622 Image Count: 92 Resource Type: text Found in: Beinecke Rare Book and Manuscript Library > Expositio in Isagogen Porphyrii cum quaestionibus Iohannis Duns Scoti