00312nam a2200109Ia 4500008004100000022001800041040002500059082001800084100002300102245004700125260003000172240215s9999 xx 000 0 und d a0-13-881815-7 aNORSU-DumcNORSU-Dum a372.83/M58/c6 aMichaelis, John U. 0aSocial Studies for Children in a Democracy bPrentice Hall, Inc.c1972