Gothaisches Genealogisches Taschenbuch der Gräflichen Häuser. Gotha: 1846, 1851, 1857, 1866-1867, 1871-1916, 1918-1919, 1921, 1930, 1932-1936, 1938. 64 volumes (148 x 102mm and smaller). Original boards. (64)