Terryl N. Kinder to Helen Zakin; Concerning closed reception at The International Medieval Congress at Leeds

The Sixteenth Century Stained Glass Windows at the Cistercian Abbey of Gariwald in the Cleveland Museum of Art; Lecture by Helen Zakin for International Medieval Congress at the University of Leeds.

The Sixteenth Century Stained Glass Windows at the Cistercian Abbey of Gariwald in the Cleveland Museum of Art; Lecture by Helen Zakin for International Medieval Congress at the University of Leeds.

Two stained glass windows in the Cleveland Museum of Art; Presented at International Medieval Congress at University of Leeds, by Helen Zakin

International Congress on Medieval Studies 1990; St. Bernard and the Arts, The international Center of Medieval Art Abstracts

Paper on Cistercian Glass delivered at International Medieval Congress on Medieval Studies, Kalamazoo 1974; Helen Zakin

Paper delivered at Cathedral of the Immaculate Conception