"Speculations on a Severed Head: The Metropolitan Museum's Bust of Cosimo I de' Medici," Seth Jayson, New York University

"Speculations on a Severed Head: The Metropolitan Museum's Bust of Cosimo I de' Medici," Seth Jayson, New York University. The Frick Collection Symposium on the History of Art Records, TFC.0600.030. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/24945 Accessed July 16, 2025.