1. Af1/0849(49) Reference (shelfmark): Af1/0849(49) Title: Northumberland House, by Canalletto. In the collection of the Duke of Northumberland. Photographer: Caldesi and Montecchi Scope & Content: Genre: Fine Arts, Photography of Photographic copy of the painting. Collection Area: Printed Collections Languages: Not applicable Date Range: 1857 Extent: 1 item