Trachet, Jan, and Hendrik Hameeuw. “Shedding (More) Light on Sixteenth-Century Mapping Practices : Pieter Pourbus’s Application of Gemma Frisius’s Triangulation Methods.” Students, Scholars and Their Books at the University of Louvain (1425–1797), edited by Violet Sioen et al., Brepols Publishers, 2026, pp. 351–94, doi:10.1484/m.lectio-eb.5.152253.