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Books about Congus:
U.S. Cyber Command: Organizing for Cyberspace Operations: Committee on Armed Services, House of Representatives... by United States Congressional House (Sep 28, 2011)
The Rise of Rail-Power in War and Congu
Wiki information Congus:
Congus b. c.680 - d.750, was the Bishop of Armagh, Ireland from 730 to 750.