Dos conferencias
Subtitle: impresiones de un viaje  por Estados Unidos de Norte América.
By: Prólogo del dr. Carlos D. Gibson; colofón del dr. César A. Guardia Mayorga.
Edition: [2. ed.]
Publisher: Imp. Edilberto Portugal L.
Published: 1943
Place of publication: Arequipa, Perú
Language: spa
Number of pages: 67
Subjects: National characteristics, American; United States -- Description and travel