Choirs
April 1906
October 1912
October 1912
April 1937
April 1937
May 1941
May 1941
November 1941
November 1941
1944
1944
April 1945
April 1945
1945
Fall 1945
Fall 1945
1947
1947
1950
1951
1951
1952
1953
1953
1954
1954
May 1955
November 1955
1963
1963
1967
1968
1968
1970
1970
1976
Unknown Year
