Browse by Year Letter Was Written
| 1 | 1888 | |
| 2 | 1889 | |
| 5 | 1890 | |
| 6 | 1891 | |
| 5 | 1892 | |
| 8 | 1893 | |
| 2 | 1894 | |
| 10 | 1895 | |
| 19 | 1896 | |
| 15 | 1897 | |
| 8 | 1898 | |
| 4 | 1899 | |
| 8 | 1900 | |
| 9 | 1901 | |
| 8 | 1902 | |
| 13 | 1903 | |
| 8 | 1904 | |
| 11 | 1905 | |
| 19 | 1906 | |
| 26 | 1907 | |
| 42 | 1908 | |
| 26 | 1909 | |
| 26 | 1910 | |
| 30 | 1911 | |
| 43 | 1912 | |
| 35 | 1913 | |
| 30 | 1914 | |
| 62 | 1915 | |
| 49 | 1916 | |
| 43 | 1917 | |
| 50 | 1918 | |
| 45 | 1919 | |
| 52 | 1920 | |
| 71 | 1921 | |
| 140 | 1922 | |
| 72 | 1923 | |
| 61 | 1924 | |
| 74 | 1925 | |
| 88 | 1926 | |
| 87 | 1927 | |
| 76 | 1928 | |
| 76 | 1929 | |
| 84 | 1930 | |
| 130 | 1931 | |
| 107 | 1932 | |
| 110 | 1933 | |
| 80 | 1934 | |
| 84 | 1935 | |
| 115 | 1936 | |
| 72 | 1937 | |
| 104 | 1938 | |
| 76 | 1939 | |
| 111 | 1940 | |
| 77 | 1941 | |
| 73 | 1942 | |
| 81 | 1943 | |
| 68 | 1944 | |
| 92 | 1945 | |
| 54 | 1946 | |
| 19 | 1947 |
