Plinius Secundus, Galus (Pliny the Elder), “Historia naturalis [folium 168],” Digital Collections, accessed December 12, 2025, https://digitalcollections.library.gvsu.edu/document/40184.
One leaf of Historia naturalis by Gaius Plinius Secundus and edited by Philippus Beroaldus. Printed in Venice by Marinus Saracenus on May 14, 1487. Illustrated in blue rubricated initials. [GW M34333; ISTC ip00795000]