00315nam a2200097Ia 4500008004100000082002000041100001600061245007400077260005300151300001300204260227b        |||||||| |||| 00| 0 eng d  a300.18bT925.EH  aTuma, E. H.  aEconomic history and the social sciencesb; problems of methodology /  aBerkeley:bUniversity of California Press,c1971  ax, 316p.