[1]http://www.governmentattic.org/18docs/NORADhistSumms_1967-1974.pdf
   71.6 MB
   Document Title # of Pages | Release Status#
   1 NORAD Historical Summaries for Jan-Jun 1967 154 Full
   2 NORAD Historical Summaries for Jul-Dec 1967
   3 NORAD Historical Summaries for Jan-Jun 1968 286 Partial
   4 NORAD Historical Summaries for Jul-Dec 1968
   s NORAD Historical Summaries for Jan-Jun 1969 292 Partial
   6 NORAD Historical Summaries for Jul-Dec 1969
   7 NORAD Historical Summaries for Jan-Jun 1970 192 Partial
   8 NORAD Historical Summaries for Jul-Dec 1970
   9 NORAD Historical Summaries for Jan-Jun 1971 238 Partial
   10 NORAD Historical Summaries for Jul-Dec 1971
   11 NORAD Historical Summaries for Jan-Jun 1972 210 I Partial
   12 NORAD Historical Summaries for Jul-Dec 1972
   13 NORAD Historical Summaries for Jan-Jun 1973 UNK Refer to AFHRA
   14 NORAD Historical Summaries for Jul-Dec 1973
   15 NORAD Historical Summaries for Jan-Jun 1974 UNK Refer to AFHRA '
   16 NORAD Historical Summaries for Jul-Dec 1974 I

References

   1. http://www.governmentattic.org/18docs/NORADhistSumms_1967-1974.pdf