Bound issues of In Ruhleben Camp , the Ruhleben camp magazine, June 1915 - June 1917; with two issues of La Vie Française de Ruhleben , April 1916 and July 1916. Also The History of Ruhleben: A Record of British Organisation in a Prison Camp in Germany , Joseph Powell (Captain of the Camp) and Francis Gribble (W. Collins, London, 1919).

Bound typescript memoir by Duncan entitled 'Camp leader' relating to his experiences in civilian internment camps in occupied Denmark and Germany, 1940-1944, with additional biographical notes by Duncan's son, John Daniel Duncan, Sep 1997.

Bound photocopy typescript of "Memories of the long and happy life of Robert Bramston Thesiger Daniell, Brigadier, Royal Horse Artillery", a memoir of his life and career, 1901-1979, notably his wartime service in Palestine, Egypt and Libya, 1940-1942, and in Western Europe, 1943-1945, where he helped liberate Belsen concentration camp, in 1945.