Dr. Wislizenius's Memoir on New Mexico.
Stephens's Central America.
" Yucatan.
Gama—Piedras Antiguas de Mejico.
El Museo Mejicano.
Isidro R. Gondra's Notes on Mexican Antiquities, in the 3rd vol. (with plates) of the Mexican translation of Prescott.
Nebel—Voyage Arquéologique et Pittoresque en Mexique.
Memoir of the Mexican Minister of Foreign and Domestic Affairs on the condition of the country in 1846.
Idem in 1849.
Memoir of the Mexican Minister of War, 1844.