Blackmar, Frank W.
Spanish institutions of the Southwest. Baltimore, 1891.
Blair, Emma Helen, and Robertson, James Alexander (editors)
The Philippine Islands, 1493–1898. 55 vols. Cleveland, 1903–1909.
Blumentritt, Ferdinand
Consideraciones acerca de la actual situación política de Filipinas. Barcelona, 1889.
Bolton, Herbert Eugene
Guide to materials for the history of the United States in the principal archives of Mexico. Washington, 1913.
Texas in the middle eighteenth century; studies in Spanish colonial history and administration. Berkeley, 1915.
Bourne, Edward Gaylord