Spain

Bowen, Wayne H. Spain and the American Civil War. Columbia: University of Missouri Press, 2011.
Brading, D. A. The First America: The Spanish Monarchy, Creole Patriots, and the Liberal State, 1492-1867. New York: Cambridge University Press, 1991.
Brauer, Kinley J. “Gabriel García Y Tassara and the American Civil War: A Spanish Perspective.” Civil War History 21, no. 1 (1975): 5–27.
Casanovas, Joan, and Paul Avrich Collection (Library of Congress). Bread or Bullets!: Urban Labor and Spanish Colonialism in Cuba, 1850-1898. Pittsburgh: University of Pittsburgh Press, 1998.
Cortada, James W. Spain and the American Civil War: Relations at Mid-Century, 1855-1868. Philadelphia: American Philosophical Society, 1980.
———. “Spanish Views on Abraham Lincoln, 1861-1865.” Lincoln Herald 76, no. 2 (June 1974): 80–85.
Davis, William Columbus. The Last Conquistadores: The Spanish Intervention in Peru and Chile, 1863–1866. Athens: University of Georgia Press, 1950.
González Calleja, Eduardo, and Antonio Fontecha Pedraza. Una Cuestión de Honor: La Polémica Sobre La Anexión de Santo Domingo Vista Desde España (1861-1865). Santo Domingo: Fundación García Arévalo, 2005.
Malamud, Carlos, Carlos Dardé, and Luis Garrido Muro, eds. Violencia Y Legitimidad: Política Y Revoluciones En España Y América Latina, 1840-1910. Santander: Universidad de Cantabria, 2004.
Maluquer de Motes, Jordi. Nación E Inmigración: Los Españoles En Cuba (ss. XIX Y XX). Oviedo: Ediciones Jucar, 1992.
Maluquer de Motes, Jorge. El Socialismo En España, 1833-1868. Barcelona: Editorial Crítica, 1977.
Murray, David. Odious Commerce: Britain, Spain and the Abolition of the Cuban Slave Trade. New York: Cambridge University Press, 2002.
Pratt, Edwin J. (Edwin Judson). “Spanish Opinion of the North American Civil War.” Hispanic American Historical Review 10 (1930): 14–25.
Robertson, William Spence. “The Tripartite Treaty of London.” Hispanic American Historical Review 20, no. 2 (May 1940): 167–89.
Rodríguez Demorizi, Emilio, ed. Antecedentes de La Anexion a España. Santo Domingo: Editora Montalvo, 1955.
Schmidt-Nowara, Christopher. Empire and Antislavery: Spain, Cuba, and Puerto Rico, 1833–1874. Pittsburgh: University of Pittsburgh Press, 1999.
Slavery and Antislavery in Spain’s Atlantic Empire. New York: Berghahn Books, 2013.
Torrente, Mariano. Política Ultramarina, Que Abraza Todos Los Puntos Referentes Á Las Relaciones de España Con Los Estados Unidos, Con La Inglaterra Y Las Antillas, Y Señaladamente Con La Isla de Santo Domingo. Madrid: D. A. Avrial, 1854.
Weber, Frank G. “Bismarck’s Man in Mexico: Anton von Magnus and the End of Maximilian’s Empire.” Hispanic American Historical Review 46, no. 1 (February 1966): 53–65.