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Donald_Keyhoe Tham khảoLiên quan
Donald Trump Donald O'Connor Donald J. Cram Donald Knuth Donald H. Bochkay Donald Keyhoe Donald Rumsfeld Donald Howard Menzel Donald Trump Jr. Donald Eugene WebbTài liệu tham khảo
WikiPedia: Donald_Keyhoe http://cevsite.com/keyhoe.htm http://galenet.galegroup.com/servlet/BioRC http://www.heraldtribune.com/article/20080111/BLOG... http://www.herogames.com/forums/showthread.php?t=4... http://www.sacred-texts.com/ufo/fsar/index.htm http://www.hrc.utexas.edu/multimedia/video/2008/wa... http://data.bibliotheken.nl/id/thes/p071936114 //archive.org/search.php?query=((subject:%22Keyhoe... http://librivox.org/author/9829 http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&N...