The following links can be found on the U.S. Army Center of Military History Publications Catalog web site. 
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U.S. Army Campaigns of the Vietnam War

  1. CMH Pub 76-1 Deepening Involvement, 1945-1965
  2. CMH Pub 76-2 Buying Time, 1965-1966
  3. CMH Pub 76-3 The U.S. Army Before Vietnam, 1953-1965

DA Publications - Vietnam Studies

  1. CMH Pub 90-1 The Last Salute: Civil and Military Funerals, 1921-1969
  2. CMH Pub 90-2 The Modern Volunteer Army Program: The Benning Experiment, 1970-1972
  3. CMH Pub 90-3 Building a Volunteer Army: The Fort Ord Contribution
  4. CMH Pub 90-4 Airmobility, 1961-1971
  5. CMH Pub 90-5 Allied Participation in Vietnam
  6. CMH Pub 90-6 Base Development in South Vietnam, 1965-1970
  7. CMH Pub 90-7 Cedar Falls-Junction City: A Turning Point
  8. CMH Pub 90-8-1 Command and Control, 1950-1969
  9. CMH Pub 90-9-1 Communications-Electronics, 1962-1970
  10. CMH Pub 90-10-1 The Development and Training of the South Vietnamese Army, 1950-1972
  11. CMH Pub 90-11 Division-Level Communications, 1962-1973
  12. CMH Pub 90-12 Field Artillery, 1954-1973
  13. CMH Pub 90-13 Financial Management of the Vietnam Conflict, 1962-1972
  14. CMH Pub 90-14 Law at War: Vietnam, 1964-1973
  15. CMH Pub 90-15-1 Logistic Support
  16. CMH Pub 90-16 Medical Support of the U.S. Army in Vietnam, 1965-1970
  17. CMH Pub 90-17-1 Mounted Combat in Vietnam
  18. CMH Pub 90-18 Riverine Operations, 1966-1969
  19. CMH Pub 90-19 The Role of Military Intelligence, 1965-1967
  20. CMH Pub 90-20 Sharpening the Combat Edge: The Use of Analysis To Reinforce Military Judgment
  21. CMH Pub 90-21-1 Tactical and Materiel Innovations
  22. CMH Pub 90-22 U.S. Army Engineers, 1965-1970
  23. CMH Pub 90-23-1 U.S. Army Special Forces, 1961-1971
  24. CMH Pub 90-24-1 The War in the Northern Provinces, 1966-1968
  25. CMH Pub 90-26 The Final Collapse
  26. CMH Pub 90-27 Reorganizing for Pacification Support
  27. CMH Pub 90-28 Dust Off: Army Aeromedical Evacuation in Vietnam
  28. CMH Pub 90-29-1 Vietnam from Cease-Fire to Capitulation

U.S. Army in Vietnam

  1. CMH Pub 91-1 Advice and Support: The Early Years, 1941-1960
  2. CMH Pub 91-2 Public Affairs: The Military and the Media, 1968-1973
  3. CMH Pub 91-3 Advice and Support: The Final Years, 1965-1973
  4. CMH Pub 91-4 Combat Operations: Taking the Offensive, October 1966 to October 1967
  5. CMH Pub 91-5 Combat Operations: Stemming the Tide, May 1965 to October 1966
  6. CMH Pub 91-6 MACV: The Joint Command in the Years of Escalation, 1962-1967
  7. CMH Pub 91-7 MACV: The Joint Command in the Years of Withdrawal, 1968-1973
  8. CMH Pub 91-11 Images of a Lengthy War
  9. CMH Pub 91-12 Military Communications: A Test for Technology
  10. CMH Pub 91-13 Public Affairs: The Military and the Media, 1962-1968
  11. CMH Pub 91-14 Engineers at War