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Issues
- #1 #1 September-October 1971
- #2 #2 November-December 1971
- #3 #3 January-February 1972
- #4 #4 March-April 1972
- #5 #5 May-June 1972
- #6 #6 July-August 1972
- #7 #7 August-September 1972
- #8 #8 October 1972
- #9 #9 November 1972
- #10 #10 December 1972
- #11 #11 January 1973
- #12 #12 February 1973
- #13 #13 March 1973
- #14 #14 April 1973
- #15 #15 June 1973
- #16 #16 July 1973
- #17 #17 August 1973
- #18 #18 September 1973
- #19 #19 October 1973
- #20 #20 November 1973
- #21 #21 December 1973
- #22 #22 January 1974
- #23 #23 February 1974
- #24 #24 March 1974
- #25 #25 April 1974
- #26 #26 May 1974
- #27 #27 June 1974
- #28 #28 July 1974
- #29 #29 August 1974
- #30 #30 September 1974
- #31 #31 October 1974
- #32 #32 November 1974
- #33 #33 December 1974
- #34 #34 January 1975
- #35 #35 February 1975
- #36 #36 March 1975
- #37 #37 April 1975
- #38 #38 May 1975
- #39 #39 June 1975
- #40 #40 July 1975
- #41 #41 August 1975
- #42 #42 September 1975
- #43 #43 October 1975
- #44 #44 November-December 1975
- #45 #45 January-February 1976
- #46 #46 March-April 1976
- #47 #47 May-June 1976
- #48 #48 July-August 1976
- #49 #49 September-October 1976
- #50 #50 November-December 1976
- #51 #51 January-February 1977
- #52 #52 March 1977
- #53 #53 April 1977
- #54 #54 May 1977
- #55 #55 July 1977
- #56 #56 September 1977
- #57 #57 October 1977
- #58 #58 November 1977
- #59 #59 December 1977
- #60 #60 January 1978
- #61 #61+1 printing February 1978
- #62 #62+1 printing March 1978
- #63 #63+1 printing April 1978
- #64 #64+1 printing May 1978
- #65 #65+1 printing June 1978
- #66 #66+1 printing July 1978
- #67 #67+1 printing August 1978
- #68 #68 September 1978
- #69 #69 October 1978
- #70 #70 November 1978
- #71 #71+1 printing December 1978
- #72 #72+1 printing January 1979
- #73 #73+1 printing February 1979
- #74 #74+1 printing March 1979
- #75 #75+1 printing April 1979
- #76 #76+1 printing May 1979
- #77 #77+1 printing June 1979
- #78 #78+1 printing July 1979
- #79 #79+1 printing August 1979
- #80 #80+1 printing September 1979
- #81 #81+1 printing October 1979
- #82 #82+1 printing November 1979
- #83 #83+1 printing December 1979
- #84 #84+1 printing January 1980
- #85 #85+1 printing February 1980
- #86 #86+1 printing March 1980
- #87 #87+1 printing April 1980
- #88 #88+1 printing May 1980
- #89 #89+1 printing June 1980
- #90 #90+1 printing July 1980
- #91 #91+1 printing August 1980
- #92 #92+1 printing September 1980
- #93 #93+2 printings October 1980
- #94 #94+2 printings November 1980
- #95 #95+2 printings December 1980
- #96 #96+2 printings January 1981
- #97 #97+2 printings February 1981
- #98 #98+2 printings March 1981
- #99 #99+2 printings April 1981
- #100 #100+2 printings May 1981