Analog Science Fiction—Science Fact [v83 #2, April 1969] (60¢, 180pp, digest, cover by Frank Kelly Freas)    
      - 4 · The Whole World Is Watching · John W. Campbell, Jr. · ed
 
      - 6 · The Five Way Secret Agent [Part 1 of 2; Rex Bader] · Mack Reynolds · na
 
      - 55 · Hey but No Presto · Jack Wodhams · ss
 
      - 72 · They’re Trying to Tell Us Something [Part 2 of 2] · Thomas R. McDonough · ar
 
      - 87 · Cultural Interference · Walter L. Kleine · nv
 
      - 108 · Opportunist [John of the Hawks] · Guy McCord · na
 
      - 160 · The Reference Library · P. Schuyler Miller · rc
 
      - _160 · Exploring Space with a Camera, N.A.S.A. · John W. Campbell, Jr. · br
 
      - _160 · Rockets, Missiles, and Men in Space, by Willy Ley · G. Harry Stine · br [Ref. Willy Ley]
 
      - 168 · Brass Tacks · The Readers · lc
 
      - _168 · [letter from Bloomington, IL, 61701] · R. E. Gardner · lt
 
      - _169 · [letter from Woolhara, N.S.W. 2025, Australiea] · A. Bertram Chandler · lt
 
      - _169 · [letter from Chillicothe, IL, 61523] · W. G. Bliss · lt
 
      - _169 · [letter from Rochester, NY, 14612] · James R. Vogus · lt
 
      - _170 · [letter from Houston, TX, 77001] · Anna Perenna · lt
 
      - _171 · [letter from Berkeley Heights, NJ, 07922] · John Pierce · lt
 
      - _172 · [letter from Kings Heath, Birmingham 14, England] · P. Barker · lt
 
      - _173 · [letter from Copiague, NY, 11726] · Kathleen Coy · lt
 
      - _173 · [letter from Philadelphia, PA, 19120] · Paul Blass · lt
 
      - _175 · [letter from Carson City, NV, 89701] · Joseph O. Lawson · lt
 
     
   
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