Includes amongst others: A leather case; Family Bible; 'Nederlands Patriciaat' containing an entry for B.G.V. De Witt Hamer; holograph diary (written in pencil, and later version (written in ink) while De Witt Hamer was a prisoner of war on board H.M.S.'Penelope', describing the battle of Elandslaagte; Album with handwritten poems 1900. framed document dated 1900 and awarded to De Witt Lamer in recognition of his services to prisoners of war on St. Helena; correspondence and medal in connection with the award in 1923 of the Knighthood of the Order of Oranje-Nassau; leather case containing a CV of De Witt Hamer and miscellaneous letters and photographs; illuminated scroll awarded to De Witt Hamer on the occasion of his retirement from the Miners' Phthisis Board, 1922: file containing correspondence, personal papers and obituaries of De Witt Hamer. (Note: Photos stores with photo collection.