Material related to registration and granting of status as Conscientious Objector (1939-1941) with supporting letter from George de Boer's parents (1943). Also includes Civil Defence Service material (1944-1945).

Other items comprise Intelligence test (1942); letter notifying passing of First Aid certificate with certificate (1941); unnamed and undated photograph of young girl, possibly Eveline de Boer; newspaper cutting detailing Hull's blitz; insurance certificates (1938, 1942, 1943, 1945, 1946, 1947); two letters providing character witness possibly for teaching job (1938); newspaper cuttings related to George de Boer exam and scholarship results (see also U DDB/1/3); printed information from St John's College, Cambridge related to attendance (1938); letter from Hymers College, Hull accepting repayment of University expenses (1940) (see also U DDB/1/3); letter notifying passing of Theoretical exam in University Certificate in Education (1946); letters releasing George de Boer from work at nursery in Cottingham (1946); letter certifying worked at A & G West, Farmers and Market Gardeners, Cottingham (1947); photocopy of letter from F. de Boer [brother] expressing sympathy and support for George de Boer's position and detailing his own war experiences (1940).