van Schinkel, Margot. “A Bitter Pill: Residues in Two Apothecary Jars With the Inscriptions JERA PIGRA and EL HIRAE PICRAE”. The Rijksmuseum Bulletin 70, no. 2 (June 7, 2022): 126–145. Accessed May 3, 2024. https://bulletin.rijksmuseum.nl/article/view/12231.