Fisher, Louis (January 1, 1989). "Congressional access to executive branch information: Lessons from Iran-Contra". Government Information Quarterly. 6 (4): 383–394. doi:10.1016/0740-624X(89)90005-1. ISSN0740-624X.
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"StackPath". fedsoc.org. Retrieved December 30, 2019.
Fisher, Louis (January 1, 1989). "Congressional access to executive branch information: Lessons from Iran-Contra". Government Information Quarterly. 6 (4): 383–394. doi:10.1016/0740-624X(89)90005-1. ISSN0740-624X.