There are a variety of Library of Congress subject headings that are used to describe Latinx in the United States. The most common ones include:
Hispanic Americans
This is the official term used to describe United States citizens of Latin American descent.
Latin Americans
Works on citizens of Latin American countries
Latin Americans--United States
Works on citizens of Latin American countries in the United States
There are also narrower terms that might be used:
Mexican Americans
This heading is used instead of Chicanos or Hispanos.
Cuban Americans
Dominican Americans
Nicaraguan Americans
Peruvian Americans
Also:
American literature -- Hispanic American authors
American poetry -- Hispanic American authors
Blacks -- Race identity -- Latin America
Chicano movement
Hispanic Americans -- Intellectual life
Hispanic Americans -- Social life and customs
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