Title: Tié̂p xúc bí mật Việt Nam-Hoa Kỳ trước Hội nghị Paris
Subjects: Diplomatic history, Foreign relations, Peace, Politics and government, Vietnamese Conflict, 1961-1975, Vietnam War, 1961-1975
Places: United States, Vietnam, Vietnam (Democratic Republic)
People: Henry Kissinger (1923-), Lê, Đức Thọ (1912-)
Time periods: 1945-1975