Nihon ni okeru zenkokuteki shoshi ch̄osei no kairȳo to sono kokusaiteki shoshi ch̄osei to no kanren : Yunesuko no kokusaiteki shoshi ch̄osei ni kansuru kokusai kaigi no s̄oan ni taisuru ikensho (Kokuritsu Kokkai Toshokan Bunken Shomoku Nihon Yanesuko Ch̄osahan, 1950)