Document abstracts from U.S. Declassified Documents Online are included with permission from the Gale Group. U.S. Declassified Documents Online requires a subscription to access. Current USask library patrons can use their NSID and password to access the collection through our subscription. The USask Library cannot provide access to full-text documents for anyone outside our institution. Check with your local library to see if they subscribe.

Full-text documents may be available online from Texas Tech University's Virtual Vietnam Archive.

Learn more about the project: Lam, Vinh-The, and Darryl Friesen. "A Web-based Database of CIA Declassified Documents on the Vietnam War." Online 28, no. 4 (2004): 31-35.

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7 documents contain the indexing term NORTH VIETNAMESE MILITARY REGION 4
ID Document
00403 Appraisal of the bombing of North Vietnam (through 14 May) (May 21, 1966)
Directorate of Intelligence memorandum; SECRET; SANITIZED
Declassified: November 25, 1977
00554 Buildup of Vietnamese Communist forces continues after resumption of air attacks (February 21, 1966)
Intelligence memorandum; TOP SECRET; SANITIZED
Declassified: February 20, 1981
00583 Cable bridges in North Vietnam (September 20, 1966)
Intelligence memorandum; SECRET; SANITIZED
Declassified: February 4, 1984
00666 Evaluation of alternative programs for bombing North Vietnam (June 1, 1967)
Memorandum; TOP SECRET; ORIGINAL
Declassified: June 5, 1985
00572 Increased supplies shipped to Southern North Vietnam (January 6, 1966)
Memorandum; TOP SECRET; SANITIZED
Declassified: February 20, 1981
00571 Increased supplies shipped to the southern part of North Vietnam during the fourth quarter of 1965 (December 30, 1965)
Intelligence brief; TOP SECRET; SANITIZED
Declassified: May 19, 1981
00573 North Vietnam's military position in the southern DRV (January 31, 1967)
Memorandum; TOP SECRET; SANITIZED
Declassified: August 8, 1984