Estudios de factibilidad, análisis de la solidez económica y técnica de proyectos de capital importancia
Cultural and historical geography of southwest Guatemala / Prepared in cooperation with the United States Department of State as a project of the Interdepartmental Committee on Scientific and Cultural Cooperation
Correspondencia oficial cambiada entre los gobiernos de México y los Estados Unidos : con motivo de las dos leyes reglamentarias de la fracción primera del artículo 27 de la constitución mexicana
Addresses and statements by the Honorable Cordell Hull, secretary of state of the United States of America : in connection with his trip to South America to attend the Inter-American conference for the maintenance of peace held at Buenos Aires, Argentina,