1. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 427 DS ID: DS9618 Title: Portolan chart Author: Visconte Maggiolo Place: Naples Date: 1516].
2. Newberry Library, VAULT oversize Ayer MS map 23 DS ID: DS17907 Title: Portolan chart Author: Carlo da Corte Date: 1592.