https://www.archives.gov/research/vietnam-war
https://digitalarchive.wilsoncenter.org/collection/87/vietnam-war
https://libguides.uta.edu/oar/vietnamwar
https://www.docsteach.org/topics/vietnam-war
https://www.docsteach.org/topics/vietnam-war
https://www.militaryindexes.com/vietnamwar/
https://library.lasalle.edu/special-collections/vietnam_war_home
https://www.vietnam.ttu.edu/
https://repository.library.brown.edu/studio/collections/id_689/