抄録
The Museum of Kwansei Gakuin University owns a collection of documents that were donated by the Osaka Ro-En（Labors Theatrical Association）. This collection contains approximately 300 documents that are different from the Osaka Ro-En documents prior to its dissolution in 2007. These historical documents pertain to the international fraction of the Japanese Communist Party（and affiliated groups）and centers on the early 1950ʼs division of the Japanese Communist Party. The collection contains a plethora of unique documents that are not held in other well-known collections on this subject, such as the collection held by the Hosei University Ohara Institute for Social Research or “The Postwar Japanese Communist Party Documents.” It is known that the international fraction led to a peace protection movement（Kurokawa, 2020）. However, there are few existing studies or historical accounts of the early 1950ʼs division based on primary sources. Therefore, the Japanese Communist documents in the Osaka Ro-En collection are considered a vital source of historically accurate information on the reality of the early 1950ʼs division and the peace protection movement from the perspective of the international fraction.
