Title: Chiến thắng đường 9 Nam Lào 1971
Description: History of the war at the border of Vietnam and Laos in 1971; papers presented at a conference organized by Bộ Quốc phòng and Tỉnh ủy Quảng Trị.
Subjects: Campaigns, Operation Lam Son 719, 1971, Congresses, Vietnam War, 1961-1975
Places: Laos