22- November 1970

23- December 1970

24- January 1971

25- March 1971

26- May 1971

27- August 1971

28- October 1971

29- December 1971

30- January 1972

31- Feb-March 1972

32- April 1972

33- May 1972

34- June 1972

35- July 1972

36- August 1972

37- September 1972

38- November 1972

39- December 1972

40- January 73(markedFeb)

41- Feb-March 1973

42- April 1973

43- May 1973

44- June 1973

45- July 1973

46- August 1973

47- September 1973

48- November 1973

49- December 1973

50- March 1974

51- April 1974

52- May 1974

53- July 1974

54- August-October 1974

55- November 1974

56- December 1974

57- January 1975

58- February 1975

59- April 1975

60- May 1975

61- June 1975

62- July 1975

63- August 1975

64- September 1975

65- MISSING 1975

66- November 1975

Series 3 and 4