Humboldt, Essai Politique sur la Nouvelle Espagne.
Poinsett's Notes on Mexico.
Bullock's Mexico.
Lieut. Hardy's Journey in Mexico.
Ward's Mexico in 1827.
Folsom's Mexico in 1842.
Mühlenpfordt—Die Republik Mejico.
Mejico en 1842, por Luis Manuel de Rivero.
Mexico as it Was and as it Is, 1844.
Ensayo sobre el verdadero estado de la cuestion social y politica que se agita en la Republica Mejicana, por Otero, 1842.
Madame Calderon de la Barca's Life in Mexico.
Kennedy's Texas.
Emory, Abert, Cooke and Johnston—Journals in New Mexico and California—1848.
Frémont's Expeditions, 1842-'3-'4.
Frémont's California, 1848.
T. Butler King's Report on California, 1850.
W. Carey Jones's do. do. 1850.
Executive documents in relation to California, 1850.