2010 - 2015 A Comparative Study of Mirabilia in the Middle East and Europe
2012 - 2013 『シナクサール』の編纂過程に関する研究
2012 - 2013 14世紀後半エジプトにおけるコプトの 改宗問題
2010 - 2012 聖人伝史料によるマムルーク朝期コプト社会の研究
2009 - 2012 Conflict and Reconciliation among Confessions and Religions inMedieval and Modern Europe and Mediterranean World: Study of Comparative History
Asuka Tsuji. The Demise of the Coptic Church in Ninth-Century Egypt as Survival Strategy Flounder. Sophia Journal of Asian, African, and Middle Eastern Studies. 2021. 39. 15-31
辻明日香. 十字軍と中東のキリスト教徒. 史潮. 2018. 83. 4-16
A Study in Teaching World History : The History of the Church of the East. 2018. 29. 1. 105-115
Survival Strategies of Minorities in the Middle East: Studies on Religious and Politico-Social Minority Groups in Middle Eastern Societies
Tokyo: Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies 2021 ISBN:9784863373587
The Spread of the veneration of the Virgin Mary from the Middle East to Ethiopia and the agency of the Ethiopian church
(15th Conference of the Asian Federation of Middle East Studies Associations (AFMA, December 7-8, 2024) 2024)
Responses to Rome by the various Eastern Orthodox Churches: 13th-15th centuries
(The Papacy and the Crusades: Japanese-Hungarian Conference 2024)
Pénitence et pardon dans les hagiographies copto-arabes (XIVe -XVe siècles) (in English)
(CANONS, RÈGLES ET PÉNITENCES DANS LES MONDES MONASTIQUES (IVe -XVIe SIÈCLES) 2023)
International Association for Coptic Studies
, Sociedad Japonesa de Historia de Espana
, COLLEGIUM MEDITERRANISTARUM
, JAPAN ASSOCIATION FOR MIDDLE EAST STUDIES
, THE HISTORICAL SOCIETY OF JAPAN
, THE SOCIETY FOR NEAR EASTERN STUDIES IN JAPAN