A blue 'S' with four white sock on it, with an o and an x inside
Added here on February 8, 2006
1917 - 1918
1901 - 1902
1903
1904
1905
1906 - 1907
1908 - 1911
1912 - 1917
1918
1930
1932 - 1935
1939 - 1948
1949 - 1970
1971 - 1975
1976 - 1990
1991 - Pres