The Vietnam War was also a Cold War struggle between NATO and Warsaw Pact nations. The battlefield this time was Vietnam, which was two countries before the war and one country afterward.
Vietnam War Internet Project
One of the best uses of the Internet you'll ever likely to find, this site is administered by an educational organization that is dedicated to providing information and documents about the war and to the collection and electronic publication on the web of oral histories and memoirs of both those who served in and those who opposed those conflicts.
The Vietnam War
This very helpful and detailed site includes a timeline, descriptions of weapons, pictures and an analysis of the war.
Studying the Vietnam War Online
This site is a guide to studying the war using only online resources. It includes general history sites, historical articles from The Atlantic and the CIA, and interviews with authors who wrote about the war.
Vietnam War Overview Site
Site contains history, major battles and statistics, and picture galleries.
Doc's Military Women Tribute
A tribute site to all of the women nurses who served the U.S. during the war.
Australian Involvement in the Vietnam War
Information from the Lyndon B. Johnson Library pages on examinations the military involvement of Australia in the war.
Fall of Saigon
From the York Times Learning Network, this compilation of firsthand accounts is first-rate.