TY  - BOOK
AU  - Clark, John Bates ,1847-1938.
TI  - Essentials of economic theory , as applied to modern problems of industry and public policy
AV  - HB171.C57 1968 
PB  - A. M. Kelley
KW  - Economics
KW  - HB
N1  - Reprint of the 1907 ed; Bibliographical footnotes
ER  -