00290nam a2200109Ia 450000500170000000800410001708200120005810000210007024500380009126000430012930000080017220260224040758.0260224s9999||||xx |||||||||||||| ||und||  a973 BLA  aNelson M. Blake  2aA short history of American life   aNew York: Mc-Graw-Hill Book Co. c1952  a732