U.S. Government Information
There is a variety of information published on the Internet by the Department of State and the United States Government.
The general history of recognitions and relations between the United States and Vietnam, Cambodia and Laos is found on the Office of the Historian’s Countries Recognition and Relations database.
The Department of State also provides country-specific Background Notes for Vietnam, Cambodia and Laos, which are updated regularly.
General background studies are available for Vietnam, Cambodia and Laos through the Library of Congress’s Country Studies website.