There is an incredible amount of language diversity in Latin America and the Caribbean. The University of New Mexico’s Latin American and Iberian Institute hosts the K’iche’ Maya Oral History Project, which has a collection of 149 oral histories taken from K’iche’ Maya speakers in western Guatemala during the 60s and 70s. Find that here.
The Indigenous and Diasporic Language Consortium (a partnership of the Institute for Latin American Studies at Columbia University, The Jaime Lucero Mexican Studies Institute at Lehman College, and the Center for Latin American and Caribbean Studies at New York University) has resources for the teaching, learning, and promotion of several Indigenous and diasporic languages, found here.
The Institute of Latin American Studies at Columbia University also has a professional development guide for US teachers entitled “Leveraging Latin American Cultural & Linguistic Diversity For Academic Achievement,” found here.