00316nam a2200121Ia 4500 190709s9999 xx 000 0 und d 370.1 C3L Coulter, Charles W Layman's guide to educational theory Toronto D Van Nostrand Company 1955 xi,159 BK 0 0 0 0 RIEBPL RIEBPL 2019-07-09 0 370.1 C3L 2631 2019-07-09 00:00:00 BK 1014 1014