Ang lihim na ahente ng hapon isang manuwal ng imperialismong hapones - Vespa, Amleto 1888; Caballero, Isabelo P. (Maynila League for the Defense of Democracy, 1940)
Available in microfilm at ISAIS Section see accession number (MCF-7894)
Tagalog translation of the "Secret agent of Japan."
Keywords: Japanese -- Manchuria; Secret service -- Japan