Catálogo de lenguas indígenas mexicanas: cartografía contemporánea de sus asentamientos históricos/INAL, Instituto Nacional de Lenguas Indígenas, SEP, Secretaría de Educación Pública
The Pan American highway system : a compilation of official data on the present status of the Pan American highway system in the Latin American Republics
Pamphlet describing M656 and M657 Records of the Department of State relating to political relations between the United States and Guatemala and between Guatemala and other states, 1910-1929