A Study on the Anglo-German Alliance Negotiation and British Foreign Policy, 1898-1901. The Journal of Kawamura Women's University. 2004. 15-2, 33-43
From "Splendid Isolation" to "Alliance" ? : A study on British Foreign Policy from 1898 to 1907. The Journal of Kawamura Gakuen Women's University. 2003. 14-2. 17-27
The Balkan War and Britain's Foreign Policy, 1912-13. The Journal of Kawamura Gakuen Women's University. 2002. 13(2), 23-34
The Origins of the First World War and Britain's Foreign Policy. The Journal of Kawamura Gakuen Women's University. 2001. 12. 3. 47-61
A Study on George Canning's Political Thought. Bulletin of Kawamura Junior College. 2000. 20. 21-27