For more information on sweatshops and the El Monte raid there are numerous oral histories, websites, books, journal articles, and newspaper articles.
Oral histories
Smithsonian Archives https://sova.si.edu/details/SIA.FA19-095?s=0&n=10&t=C&q=+sweatshop+oral+history&i=0#refIDd1e818
Antonio Daneian - sewing machine operator, front shop worker
Aracelo Castro – ironer, front shop
Malinan Radamphon – sewing machine operator, slave shop
Praphapan Pongpid - sewing machine operator, slave shop
Tongkun Kim - Deputy California Labor Commissioner
Jose Millan - Californian Labor Commissioner
Mike Gennaco - U.S. Attorney civil rights prosecutions, Central District of CA
Phillip Bonner - Special Agent INS
NMAH
King Chung
Mike Gennaco
Paul Chang
Websites
Sweatshops in America https://americanhistory.si.edu/sweatshops
Verité https://www.verite.org/
Books
Bender, Daniel and Richard Greenwald, eds. Sweatshop USA: The American Sweatshop in Historical and Global Perspective. New York: Routledge, 2003.
Schoenberger, Karl. Levi’s Children: Coming to Terms with Human Rights in the Global Market Place. New York: Atlantic Monthly Press, 2000.
Ross, Robert J. S. Slaves to Fashion: Poverty and Abuse in the New Sweatshops. Ann Arbor: University of Michigan Press, 2004.
Liebhold, Peter and Harry R. Rubenstein. Between a Rock and a Hard Place: A History of American Sweatshops, 1820 – Present. Los Angeles: UCLA Asian American Studies Center and Simon Wiesenthal Center Museum of Tolerance, 1999.
Journal and Newspaper Articles
White, George. "Works Held in Near Slavery, Officials Say", Los Angeles Times, Los Angeles, 3 August 1995
Watanabe, Teresa. “Home of the Freed” “Los Angeles Times” Los Angeles, 14 August 2008