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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2 documents contain the indexing term CAMBODIAN NATIONAL ROUTE 4
ID Document
00758 Khmer communists tightening hold over Phnom Penh's overland supply lines (November 15, 1973)
Central intelligence bulletin; NOT GIVEN; SANITIZED
00765 Khmer Rouge attacks in various areas of Cambodia, and arrest of Khmer Rouge elements in Stung Treng (July 22, 1969)
Intelligence information cable; NOT GIVEN; SANITIZED