Diaries, correspondence, copies of despatches, reports, press cuttings etc. relating to Harper's work in the Gold Coast (1914-1920); papers relating to St. Helena and Ascension Island - mainly extracts/notes copied from other works and gathered by Harper in preparation for writing a book - (1922-1934); papers relating to Ashanti law and history (1904-1922) and to the Golden Stool of Ashanti (1921-1935).