Title: Singing with angels
Subjects: Catholic Church, Catholic Church. Diocese of Osnabrück (Germany). Diözesanarchiv, Cistercian nuns, Cistercians, Diözesanarchiv Osnabrück, German Illumination of books and manuscripts, Gothic Illumination of books and manuscripts, Graduals (Liturgical books), Illustrations, Kloster Rulle (Rulle, Germany), Liturgy, Medieval Illumination of books and manuscripts, Nuns as artists, Rulle Gradual of Gisela von Kerssenbrock, Texts, Art, medieval
Places: Germany, Osnabrück
People: Gisela von Kerssenbrock