Each vol. 1906/1908-1906/1910 and 1907/1911-1912/1916 contains tables of data for each year arranged in parallel columns for comparison purposes. Vol 1906/1908
Each vol. 1906/1908-1906/1910 and 1907/1911-1912/1916 contains tables of data for each year arranged in parallel columns for comparison purposes. Vol 1906/1908