00817cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035002000092040002700112043001200139050001800151082001200169100004700181245007600228260007100304300002700375490005600402504003400458651005100492650003200543ca 33000358 DLC20260227111128.0840228s1933    nyua     b    000 0 eng    aca 33000358   a(OCoLC)10466677  aDLCcTxSmSdTxSmSdDLC  an-us---00aHC106.3b.C63  a330.9731 aClark, Harold F.q(Harold Florian),d1899-10aRecent economic changes and their meaningc[by] Harold F. Clark, PH. D.  a[Columbus, O.,aNew York,bAmerican education press, inc.,cc1933]  a23 p.bdiagrs.c21 cm.0 aUnit study booklet.vno. 7.aModern problems series  a"For further reading": p. 23. 0aUnited StatesxEconomic conditionsy1918-1945. 0aMachinery in the workplace.