of American History Princeton University (1996). Drawn with the Sword: Reflections on the AmericanCivilWar: Reflections on the AmericanCivilWar. Oxford
Democracy: African American Soldiers in the World War I Era. Hewitt, Linda J. (1974). Women Marines in World War I (1974). United States Marine Corps History
tidak diketahui akan diabaikan (bantuan) Cottrell, P. (2008). The Irish CivilWar 1922–23. hlm. 85. ISBN 1-84603-270-9. "Acts of Union 1707". UK Parliament
Reuters (dalam bahasa Inggris). Diakses tanggal 2021-01-12. "Porous Mexican Border Allows Alarming Trend in Human Trafficking into US". Fox News (dalam bahasa