1. Add MS 17660 C Reference (shelfmark): Add MS 17660 C Title: Scope & Content: Roll C. "Seno de Californias, y su costa oriental nuevamente descubierta," etc., 1746. California, N. America: Map of the Gulf: 1746. Collection Area: Western Manuscripts Languages: English Date Range: 1746 Extent: 1 item
2. Add MS 17660 B Reference (shelfmark): Add MS 17660 B Title: Scope & Content: Roll B. "Nuevo mapa geografico de las provincias de la Sonora y Nueva Viscaya," etc. Province of Sonora: Maps of,: 1770, 1780. New Biscay, Mexico: Maps of. Collection Area: Western Manuscripts Languages: English Date Range: 1746-1771 Extent: 1 item