The text is contained in the following manuscripts:
Wien, Österreichische Nationalbibliothek, 4307
Edition:
Johannes Wyclif, De Ente libri duarum excerpta, ed. H. M. Dziewicki, London 1909, 1-28; Johannes Wyclif, Summa de Ente, ed. S. H. Thomson, in S. H. Thomson, "A Lost Chapter of Wyclifs Summa de Ente", Speculum IV (1929), 341-345.
Literature:
M. H. Dziewicki, "Introduction", in Johannis Wyclif De Ente libri duarum excerpta, ed. H. M. Dziewicki, London 1909, ix-xiii; S. H. Thomson, "A Lost Chapter of Wyclifs Summa de Ente", in Speculum IV (1929), 339-340; J. A. Robson, Wyclif and the Oxford Schools (Cambridge Studies in Medieval Life and Thought, New Series, Vol. VIII), Cambridge 1961, 119.