The papers contains logs, 1887 to 1891, night order books, 1911 to 1917, notebooks, 1890 to 1891, diaries, 1887 to 1958, and remark books, 1893 to 1912. There are numerous letters from Dannreuther to his mother written between 1885 and 1919, except for the years 1909 to 1914, and official documents relating to the ships under his command.