Summarize
(C) Mimeographed document, classified [C] Secret, contains a reproduction of the three following letters: 1. A Letter, dated 6 Nov 1967, signed by Muoi Ut for the Current Affairs Committee of COSVN, was addressed to the arty Committee of Doan Group 95. 2. letter, dated 31 ... 67, from the Current Affairs Committee of COSVN addressed to all members of Party chapters. 3. Excerpts of a letter dated 6 Nov 67, signed by Tu Chi for the H., SVNL and its arty Committee.