Letter from H. Emde (father of Lina Emde, Bösch's wife), 1889; private letters to inspectors of the RMG, 1890; letters and reports from New Guinea, 1889-1891; invoice for declaration of death, 1902; inheritance matter, 1903; letter from Mrs. Heemeier, Gelsenkirchen, to Missionary Diehl with thanks for a book about "Uncle and Aunt Bösch", together with pictures, 1936

Verf. sends an essay with pictures about New Guinea for publication and explains its text and pictures