Bertrand, Louis, and Sir Charles Petrie, The History of Spain, Part I and II, Dawsons of Pall Mall, 1969.

Bertrand and Petrie's work is broken up into short periods for focus and easy digestion. It also contains ancillary materials: maps, several genealogies of royal lines, and a list of important events.

Gudiol, Jose, Goya 1746-1828, Tudor Publishing Company, 1971.

This four-volume work has all of Goya's work in large plates, usually showing both the whole work and often several details. Most plates are in black and white. When looking for the black paintings, prepare to be confused by titles not used by Buero Vallejo.

London, John, Reception and Renewal in Modern Spanish Theatre: 1939-63, W. S. Maney, 1997.

London tackles international theater's impact on Spanish theater. Buero Vallejo's first major play, Historia de una escalera gets much attention from London as he calls it one of Spain's two most...