She is known primarily for her work on women religious leaders, history of Christianity in Asia, history of the Christian Reformation, encounter of cultures and religions and justice issues throughout the history of the church.
Ia utamanya dikenal atas karyanya tentang para pemimpin agama wanita, sejarah Kekristenan di Asia, sejarah Reformasi Kristen, menyinggung masalah-masalah budaya, agama, dan keadilan sepanjang sejarah gereja. ^ Maria