写真同盟特報　国粋大衆党興亜青年運動の皇民大会に五万の大会衆南進旋風に湧く Shashin Dōmei Tokuhō: Large Crowd of 50,000 Attend the Imperial People’s Convention of the Kokusui Taishūtō’s Kōa Youth Movement in Support of the Southern Expansion