Issue 1 January 1952	Issue 2 March 1952	Issue 3 May 1952	Issue 4 July 1952	Issue 5 September 1952	Issue 6 January 1953
Issue 7 March 1953	Issue 8 May 1953	Issue 9 July 1953	Issue 10 September 1953	Issue 11 January 1954	Issue 12 March 1954
Issue 13 May 1954	Issue 14 July 1954	Issue 15 September 1954	Issue 16 January 1955	Issue 17 March 1955	Issue 18 May 1955
Issue 19 January 1956	Issue 20 March 1956	Issue 25 March 1957	Issue 26-27 May 1957	Issue 28 September 1957	Issue 29 November 1957
Issue 30 January 1958	Issue 34 January 1959	Issue 36 May 1959	Issue 37 July 1959	Issue 38 September 1959	Issue 39 November 1959
Issue 40 January/February 1960	Issue 48 May/June 1961	Issue 49 July/August 1961	Issue 53 March/April 1962	Issue 58 January/February 1963	Issue 63 November/December 1963
Issue 82 January/February 1967	Issue 83 March/April 1967	Issue 84 May 1967	Issue 85 July/August 1967	Issue 86 September/October 1967	Issue 87 November/December 1967
Issue 88 January/February 1968	Issue 89 March/April 1968	Issue 90 May/June 1968	Issue 91 July/August 1968	Issue 92 September/October 1968	Issue 93 November/December 1968
Issue 94 January/February 1969	Issue 95 March/April 1969	Issue 96 May/June 1969	Issue 97 July/August 1969	Issue 98 September/October 1969	Issue 99 November/December 1969
Issue 100 January/February 1970	Issue 101 March/April 1970	Issue 102 May/June 1970	Issue 103 July/August 1970	Issue 104 September/October 1970	Issue 105 November/December 1970
Issue 106 January/February 1971	Issue 107 March/April 1971	Issue 108 May/June 1971	Issue 109 July/August 1971	Issue 110 September/October 1971	Issue 111 November/December 1971
Issue 112 January/February 1972	Issue 113 March/April 1972	Issue 114 May/June 1972	Issue 115 July/August 1972	Issue 116 September/October 1972	Issue 117 November/December 1972
Issue 118 January/February 1973	Issue 119 March/April 1973	Issue 120 May/June 1973	Issue 122 September/October 1973	Issue 123 November/December 1973	Issue 124 January/February 1974
Issue 125 March/April 1974	Issue 126 May/June 1974	Issue 127 July/August 1974	Issue 128 September/October 1974	Issue 129 November/December 1974	Issue 130 January/February 1975