Date Span
n.d.
2
25 Feb 1958
1
7 Mar 1947
1
7 Oct 1957
1
1 Dec 1950
1
1 Dec 1975-11 Apr 1979
1
1 Feb 1952
1
11 Nov 1963
1
12 Dec 1947
1
13 Jan 1950
1
14 Dec 1964
1
14 Dec 1967
1
14 Oct 1949
1
15 Jun 1965
1
16 Feb 1948
1
18 Jan 1961
1
18 Sep 1965
1
1947-1971
1
1947-1985
1
1948-1970
1
1950-1977
1
20 Aug 1975
1
20 Sep 1948
1
20th century
1
21 Apr 1976
1
26 Sep 1967
1
29 Jan 1949
1
5 Aug 1952
1
6 May 1947
1
7 May 1952
1
9 Jun 1958
1
9 Nov 1948
1
Apr 1947-Nov 1951
1
Apr 1950 - May 1967
1
Apr 1950-Aug 1957
1
Apr 1950-Jan 1952
1
Apr-May 1951
1
Dec 1953-Sep 1954
1
Feb 1947-Apr 1978
1
Feb 1948-Mar 1950
1
Feb 1956-Feb 1971
1
Feb 1957-Nov 1972
1
Feb 1970
1
Jan 1948-Apr 1952
1
Jan 1949-Dec 1953
1
Jan 1950-Apr 1958
1
Jan 1950-Jan 1951
1
Jan 1950-Jul 1953
1
Jan-Dec 1963
1
Jan-Dec 1964
1
more ...