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Alnwick Castle – tempat duduk utama Dukes of Northumberland

Northumberland House – bekas tempat kediaman London Dukes of Northumberland

Syon House; The Story of a Great House – With a short guide for visitors, and with 4 (colour) plates, 2 endpaper maps (in colour), and 22 illustrations in Monochrome (The illustrations mainly relate to paintings, artefacts and the building). First published by Syon House Estate (UK) in 1950 with 48 pages and no ISBN.