「米国史概観 (上)」
CPAS Takagi Yasaka Digital Archive | Graduate School of Arts and Sciences / College of Arts and Sciences
Takagi to Jameson
CPAS Takagi Yasaka Digital Archive | Graduate School of Arts and Sciences / College of Arts and Sciences
「対米問題に就て」
CPAS Takagi Yasaka Digital Archive | Graduate School of Arts and Sciences / College of Arts and Sciences
支那貿易ノ趨勢
南滿洲鐵道株式會社東亞經濟調査局編
The Bank of Tokyo Collection | Graduate School of Economics, Faculty of Economics
滿洲の話
滿蒙文化協會編
The Bank of Tokyo Collection | Graduate School of Economics, Faculty of Economics
支那貿易ノ趨勢
南滿洲鐵道株式會社東亞經濟調査局編
The Bank of Tokyo Collection | Graduate School of Economics, Faculty of Economics
支那貿易ノ趨勢
南滿洲鐵道株式會社東亞經濟調査局編
The Bank of Tokyo Collection | Graduate School of Economics, Faculty of Economics