Date Span
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1974
1
1974-1980
1
1975; n.d. [ca.1902]
1
1977
1
1978
1
1988, 1998
1
1992-1993
1
[1910-1991]
1
[1912]-1994
1
[1914]-1958
1
[1914]; 1971
1
[1925-1975]
1
[1933]-1997
1
[1960s]
1
[c1955-c1973]
1
[ca.1904-1924]
1
c 1880-1950
1
c1903-1905, 1929-1937
1
ca.1896-1999
1
ca.1913-1997, [ca.1866]
1
ca.1958-1969
1
ca.1986
1
first half of 20th century
1
n.d.
1
n.d. [1933-1936]
1
n.d. [ca.1890-1901]
1
n.d. [late 1960s]
1
n.d. [late 19th century], 1927, 1964-1994
1
n.d. [within the period c1932-1975]
1
n.d., 1969
1
post 1940
1