National Geographic Society
575 Wandsworth Road, London
Shaw's Corner, Hertfordshire
National Geographic Society (U.S.). Cartographic Division
United States. Army. American Forces in Germany, 1918-1923
Sissinghurst Castle Garden, Kent
National Geographic Book Service
Greys Court, Oxfordshire
National Geographic Society (Washington, D.C.)
Tyntesfield, North Somerset
Lyford, Carrie A. (Carrie Alberta)
Trelissick, Cornwall
National Geographic Society (U.S.)
Soley, James Russell, 1850-1911
Dunham Massey, Cheshire
Morton, Terry B
Wightwick Manor, West Midlands
Louis Prang ( Wrocław, Poland 1824 - Los Angeles 1909)
Chartwell, Kent
Oxburgh Hall, Norfolk
Lyme, Cheshire
United States Information Service
International Commission to Inquire into the Causes and Conduct of the Balkan Wars
Joel Tyler Headley (1`813-1897)
Calke Abbey, Derbyshire
Washington D.C
Coleton Fishacre, Devon
Donald E. Herdeck (1924-2005)
Fenton House, London
Thomas Wilson (1832 - 1902)
Washington, D.C
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Charles Lee Dearing (1903 - 1972)
Frank Homer Curtiss (1875-1946)
Nuffield Place, Oxfordshire
National Geographic Magazine
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Foster and Reynolds
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Gervase Frank Ashworth Jackson-Stops OBE (1947 - 1995)
Leiter, Levi Ziegler, 1834-1904
Kedleston Hall, Derbyshire
W. Ridgeway (fl.1863)
Bull, Stephen, 1960-
Lacock, Wiltshire
Edmund Oldfield
Gunby Hall Estate, Lincolnshire
Tredegar, Newport
Wizards of the Coast, Inc
Sudbury Hall Museum of Childhood, Derbyshire