=LDR 22 4500 =001 5087 =082 04$a910.07 BAL =100 1\$aBall, John M. =245 10$aThe social sciences and geographic education: a reader =260 \\$aNew York :$bJohn Wiley,$c1971 =650 \0$aBooks =700 1\$aStoltman, Joseph P. =700 1\$aSteinbrink, John E. =852 \\$bFreeman Library$h910.07 BAL