Felsen, David. "Mexico and the U.S. Immigration Debate." Immigration: A Documentary and Reference Guide, edited by Thomas Cieslik, et al., Greenwood Press, 2009, pp. 179-210. Gale Virtual Reference Library.
Daniels, Roger. "Immigration." Encyclopedia of American Foreign Policy, edited by Richard Dean Burns, et al., 2nd ed., vol. 2, Charles Scribner's Sons, 2002, pp. 203-216. Gale Virtual Reference Library.
Sezgin, Utku. "Assimilation versus Absorption." The Making of Modern Immigration: An Encyclopedia of People and Ideas, edited by Patrick J. Hayes, vol. 1, ABC-CLIO, 2012, pp. 29-61. Gale Virtual Reference Library.
Hull, Elizabeth, and Morris I. Onyewuchi. "Cultural Assimilation." Debates on U.S. Immigration, edited by Judith Gans, et al., SAGE Reference, 2012, pp. 399-415. Gale Virtual Reference Library.
Englekirk, Allan, and Marguerite Marín. "Mexican Americans." Gale Encyclopedia of Multicultural America, edited by Thomas Riggs, 3rd ed., vol. 3, Gale, 2014, pp. 195-217. Gale Virtual Reference Library.
Dean, Rosetta Sharp. "Panamanian Americans." Gale Encyclopedia of Multicultural America, edited by Thomas Riggs, 3rd ed., vol. 3, Gale, 2014, pp. 449-457. Gale Virtual Reference Library.
Find background articles on all other groups in the Gale Encyclopedia of Multicultural America.
