1971
Issue 716
January
Issue 717
February
Issue 718
March
Issue 719
April

On cover:
Issue 720
May
Issue 721
June
Issue 722
July
Issue 723
August
Issue 724
September
Issue 725
October
Issue 726
November
Issue 727
December

Annual
1972
Issue 728
January
Issue 729
February
Issue 730
March
Issue 731
April

On cover:
Issue 732
May
Issue 733
June
Issue 734
July
Issue 735
August
Issue 736
September
Issue 737
October
Issue 738
November
Issue 739
December
1973
Issue 740
January

On cover:
Issue 741
February
Issue 742
March
Issue 743
April

On cover:
Issue 744
May
Issue 745
June
Issue 746
July
Issue 747
August

On cover:
Issue 748
September
Issue 749
October
Issue 750
November
Issue 751
December
1974
Issue 752
January
Issue 753
February
Issue 754
March
Issue 755
April

On cover:
Issue 756
May
Issue 757
June
Issue 758
July
Issue 759
August
Issue 760
September
Issue 761
October
Issue 762
November
Issue 763
December
1975
Issue 764
January
Issue 765
February
Issue 766
March
Issue 767
April
Issue 768
May
Issue 769
June

On cover:
Issue 770
July
Issue 771
August
Issue 772
September

On cover:
Issue 773
October
Issue 774
November
Issue 775
December
1976
Issue 776
January
Issue 777
February
Issue 778
March
Issue 779
April
Issue 780
May
Issue 781
June
Issue 782
July
Issue 783
August
Issue 784
September
Issue 785
October
Issue 786
November
Issue 787
December
1977
Issue 788
January
Issue 789
February
Issue 790
March
Issue 791
April

On cover:
Issue 792
May
Issue 793
June
Issue 794
July
Issue 795
August
Issue 796
September

On cover:
Issue 797
October
Issue 798
November
Special

1978
Issue 799/800
Vol 91 # 12 - Dec.'97/January
Issue 801
February
Issue 802
March
Issue 803
April
Issue 804
May
Issue 805
June
Issue 806
July
Issue 807
August
Issue 808
September
Issue 809
October
Issue 810
November
1979
Issue 811/812
Dec.'98/January
Issue 813
February
Issue 814
March
Issue 815
April
Issue 816
May
Issue 817
June
Issue 818
July
Issue 819
August
Issue 820
September
Issue 821
October
Issue 822
November
1980
Issue 823/824
Dec.79/January
Issue 825
February
Issue 826
March
Issue 827
April
Issue 828
May/June