00454nam a2200157Ia 450000100060000000800410000602000150004704000130006208200240007510000170009924500760011626000490019230000110024154600070025265000370025968382150918s9999    xx            000 0 und d  a0684805901  cPK-LaUMT  aRCC 973.0202bGRO-A  aGross, Ernie 4aThe American yearsba chronology of United States historycGross, Ernie  aNew York,USA:bComputer Science Press,c1999  a655 p.  aEN  aUnited States-History-Chronology