00760cam a22002051i 4500 6901386 BD-DhUL 20160524121525.0 760326s1938 sz 000 0 eng c U.S. Dept. of labor. Library PSrS NcRS OCoLC DLC BD-DhUL 331.13 LET Lederer, Emil. Technical progress and unemployment : an enquiry into the obstacles to economic expansion / Emil Lederer. Geneva : International Labour Office, 1938. xi, 267 p. ; 24 cm. International Labour Office Studies and reports, series C (Employment and unemployment) ; no. 22 Industrial organization Technological unemployment. ddc BK 69115 69115 0 0 ddc 0 331_130000000000000_LET 0 NFIC 117309 DUL DUL GEN 1939-01-28 Purchased 331.13 LET 38979 2016-05-24 2016-05-24 BK