You're using an ancient browser to surf the modern web. Please update to the latest version (and don't use Internet Explorer!).
Leonardi.DB
a logical geometry project
Norbertus Josephus Ligiers
Norbertus Josephus Ligiers authored the following 1 source, containing a total of 5 diagrams.
Ligiers, Norbertus Josephus, Joannes van den Hove, and Gerardus Josephus de Quareux. 1693–1694. Logica. Leuven: KU Leuven Libraries, Special Collections. (5 diagrams)