1. Add MS 17668 C Reference (shelfmark): Add MS 17668 C Title: Scope & Content: Roll C. "El Rio Negro," circ. 1779; by Don Basilio Villarino. Don Basilio Villarino: Plan of Rio Negro: 1779. Patagonia, S. America: Maps of Patagonia.: Span. Rio Negro, Brazil: Plan of, by D. B. Villarino: 1779. Collection Area: Western Manuscripts Languages: English Date Range: c 1779 Extent: 1 item