Bob Schoppe/ Sandra F. Mather
(1)
Kay Jackson/ Sandra Mather (CON)
(1)
Mari C. Schuh/ Gail Saunders-Smith (EDT)/ Sandra Mather (CON)
(1)
Sandra F. Mather Ph.d. (EDT)/ Summit Historical Society (EDT)
(1)
Sandra F. Mather Ph.d./ Frisco Historic Park Museum (COR)
(1)