TY  - BOOK
AU  - Clark,Harold F.
TI  - Recent economic changes and their meaning
T2  - Unit study booklet
AV  - HC106.3 .C63
U1  - 330.973 
PY  - 1933///]
CY  - [Columbus, O., New York
PB  - American education press, inc.
KW  - Machinery in the workplace
KW  - United States
KW  - Economic conditions
KW  - 1918-1945
N1  - "For further reading": p. 23
ER  -