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
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