In my book Who Belongs Here? I wrote, Dolores Huerta and many others are working with the United Farm Workers of America, so that all farm workers can be healthy, safe and treated fairly.
A statue of Huerta and Chavez was dedicated in May.http://napavalleyregister.com/news/local/statues-of-cesar-chavez-dolores-huerta-unveiled-in-napa/article_effceee6-3dea-53f6-a8bf-ee7aad1ab5d7.html
I just bought this book by Sarah Warren. Let me know if you have read it with your students.