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WikiPedia: Citizens Against UFO Secrecy http://www.v-j-enterprises.com/caus.html http://visionary-knowledge.com/UFO/Exopolitics-Jou... http://eds.a.ebscohost.com.libdb.njit.edu:8888/eds... http://www.caus.org //www.worldcat.org/oclc/10777403 https://www.huffingtonpost.com/alejandro-rojas/gov... https://www.scribd.com/document/68132890/The-Case-... https://id.loc.gov/authorities/names/no93024746 https://www.nsa.gov/news-features/declassified-doc... https://archive.org/details/clearintentgover00fawc