Sanshu mayu kuwanae baibai oyobi mayu shijou torishimari narabini kuwanae kensa ni kansuru chousa : shouwa shichinen juunigatsu

Sanshu kensa narabini sanbyou yobou seiseki

Sanshu no boga kensa houhou ni kansuru chousa

Mayu idou oyobi shori joukyou narabini tokuyaku yousan kumiai ni kansuru chousa