00302nam a2200109 a 450000500170000008200200001710000170003724500530005426000450010730000190015263000210017120251202164237.0  a330.973032bENC  aGlenn Porter  aEncyclopedia of American economic history  Vol 3  aNew  YorkbCharles Scribner's Sonsc1984  a1286 p.b24 cm  aEconomic history