(石井頭取辞任の件)
Tsuchiya Collection (Documents) | Graduate School of Economics, Faculty of Economics
(石井頭取辞任の送別の辞)
Tsuchiya Collection (Documents) | Graduate School of Economics, Faculty of Economics
二代小菅丹治翁日記 昭和10年3月より
Tsuchiya Collection (Documents) | Graduate School of Economics, Faculty of Economics