Nebraska:

St. Columbans, NE:

Missionary Society of St. Columban, P.O. Box 10, St. Columbans, NE 68056. [M,W] http://www.columban.org/

Silver Creek, NY:

Columban Sisters, 2546 Lake Road, Silver Creek, NY 14136-9726. [W] http://www.columbansistersusa.com/