The primary item in this collection is a digital unpublished manuscript entitled, The Life and Memoirs of A. R. Kretzmann by Jack Greising. There is also a brief biography and an obituary for Dr. Greising. Dr. Greising wrote this manuscript during a sabbatical from Northern Michigan University where he taught History. The academic papers for Dr. Greising are held at Northern Michigan University including the original manuscript on Kretzmann.