1. Alvarez, C. J. (2021). Border land, border water: A history of construction on the U.S.-Mexico divide. University of Texas Press.
2. American Academy of Pediatrics. (2019, May 8). AAP statement opposing separation of children and parents at the border. https://www.aap.org/en/news-room/news-releases/aap/2018/aap-statement-opposing-separation-of-children-and-parents-at-the-border/
3. Amnesty International. (2022). Refugees, asylum-seekers and migrants. Amnesty.org. https://www.amnesty.org/en/what-we-do/refugees-asylum-seekers-and-migrants/
4. Anderson, J. B. (2003). The U.S.-Mexico border: A half century of change. The Social Science Journal, 40(4), 535–554. https://doi.org/10.1016/S0362-3319(03)00067-3
5. Andreas, P. (2009). BordergGames: Policing the U.S.-Mexico divide (2nd ed.). Cornell University Press.