Here is a source list you might use for the worksheet above:
Crime Database of Guatemala International Commission Against Impunity in Guatemala (CICIG)
Oregon Historical Society Oral Histories
USC Visual History Archive (requires registration, interviews are in Spanish)
Archive of Immigrant Voices (see map)
2022 Study on Guatemalan Migration
Refugees International: Guatemala
"Rural poverty, climate change, and family migration from Guatemala" (Brookings)
"Central America’s Turbulent Northern Triangle" (Council on Foreign Relations)
"Hungry and desperate: Climate change fuels a migration crisis in Guatemala" (NBC)
Dartmouth Vietnamese Refugee Project
Vietnamese Immigrant Experiences
"How the End of the Vietnam War Led to a Refugee Crisis" (History)
"Straddling Different Worlds: The Acculturation of Vietnamese Refugee Children"
Thirty Years of Vietnamese Immigration to the United States
"Vietnam's refugees find second chance in Silicon Valley" (CNET)
"Wartime trauma among Vietnamese refugees subject of new study" (NBC)
"Forty-one years ago, the US took a big gamble on Vietnamese refugees" (Quartz)