Date Span
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1945-1982
1
1946
1
1946-1947
1
1946-1948, 1998
1
1946-1969
1
1946-1977, 1979
1
1947, 1949-1951
1
1947-1953
1
1948-1949
1
1951
1
1951-1953
1
1951-1954
1
1951-1957
1
1951-1969
1
1951-1982
1
1954 - 1955
1
1954; 1971; 1974
1
1955
1
1955-1978
1
1956-1959
1
1957-[1997]
1
1960
1
1960-1963
1
1961
1
1962-1964
1
1962-1994
1
1964-circa 1991
1
1965-1969
1
1967-1992
1
1969 - 1977
1
1970
1
1973
1
1973 - 1974
1
1973-1974
1
1973-1976
1
1974-1987
1
1978-1987
1
1982-1987
1
1991-1996
1
1996
1
22 Oct. 1926-28 Oct. 1938
1
7-12 July 1975
1
Christmas 1910 and n.d. [1910-1912]
1
June 1946 - [late 1960s?]
1
Session 1943 - 1944
1
The Bulk of the material dates from [1890s]-1956
1
[1778-1982]
1
[1830s-1981]
1
[1832], 1898-1973
1
[1868]-1972
1
more ...