13. Programa del tercer año Creator: "Zalles, Luis C." Collection: Alfredo Montalvo Bolivian Digital Pamphlets Collection Location: S.l. Publisher: Empresa Editora El Tiempo Publication Place: S.l. Format: Book
14. La Prensa y el detective Creator: Unknown Author Collection: Alfredo Montalvo Bolivian Digital Pamphlets Collection Location: S.l. Publisher: Tip. El Contador Publication Place: S.l. Format: Book
