00273nam a22000977a 4500003000600000005001700006008004100023040001200064245005100076260004800127DE-3120190521152312.0190521b           ||||| |||| 00| 0 ger d  cCop-Gym  aGeneral College Chemistry cLeon B. Richardson  aNew YorkbHenry Holt and Company, Incc1940