De Jong, Peter Y. 1915-, Taking heed to the flock : a study of the principles and practice of family visitation / Peter Y. De Jong. - Grand Rapids, Michigan : Baker Book House, (c)1948. - 85 pages ; 21 cm. LCCN: 48006901 Subjects--Topical Terms: Visitations (Church work) LC Class. No.: BV4320 / .T355 1948