00394nam a2200157Ia 4500008004100000020001600041035001000057082001200067100002000079245004100099250000600140260004400146300000900190500000800199650002900207210723s9999||||xx |||||||||||||| ||und||  a85229 135 3  a25933  a30BBEN  aBenton, William 0aEncyclopedia  Britanica ( Vol. 20 )  a-  aChicagobEncyclopaedia Britannica, Inc.  a1193  a310  aGeneral Encyclpedic Work