Lambert of Auxerre was a medieval 13th century logician best known for writing the book "Summa Lamberti" or simply "Logica" ^[1] in the mid 1250s which became an authoritative textbook on logic in the Western tradition.^[2] He was a Dominican in the Dominican house at Auxerre. His contemporaries were Peter of Spain, William of Sherwood, and Roger Bacon.^[3]

• Logica (Summa Lamberti), First edition of the Latin text by Franco Alessio, Firenze, La Nuova Italia, 1971.
• Logica, or Summa Lamberti, translated with notes and introduction by Thomas S. Maloney, Notre Dame University Press, 2015.
• Properties of Terms, in Norman Kretzmann, Eleonore Stump, trans., in Cambridge Translations of Medieval Philosophical Texts, Vol. 1: Logic and the Philosophy of Language, Cambridge: Cambridge University Press, 1988, pp. 102–162.
• Alain de Libera, Le traité De appellatione de Lambert de Lagny (Lambert d’Auxerre), Archives d’histoire doctrinale et littéraire du Moyen Age, 48, pp. 227–285, 1982.

• L. M. de Rijk, On the genuine text of Peter of Spain’s Summule logicales, IV: The Lectura tractatuum by Guillelmus Arnaldi, master of arts at Toulouse (1235–1244). With a note on the date of Lambert of Auxerre’s Summule. Vivarium 7, 1969, pp. 120–162.
• A. de Libera, De la logique à la grammaire: remarques sur la théorie de la détermination chez Roger Bacon et Lambert d’Auxerre (Lambert de Lagny), In: Geoffrey L. Bursill-Hall, Sten Ebbesen and E.F.K. Koerner (eds.), De Ortu Grammaticae. Studies in Medieval Grammar and Linguistic Theory in Memory of Jan Pinborg, John Benjamin, Amsterdam/Philadelphia, 1990, pp. 209–226.