Recent economic changes and their meaning
Clark, Harold F. 1899-
Recent economic changes and their meaning [by] Harold F. Clark, PH. D. - [Columbus, O., New York, American education press, inc., c1933] - 23 p. diagrs. 21 cm. - Unit study booklet. Modern problems series no. 7. .
"For further reading": p. 23.
ca 33000358
Machinery in the workplace.
United States--Economic conditions--1918-1945.
HC106.3 / .C63
330.973
Recent economic changes and their meaning [by] Harold F. Clark, PH. D. - [Columbus, O., New York, American education press, inc., c1933] - 23 p. diagrs. 21 cm. - Unit study booklet. Modern problems series no. 7. .
"For further reading": p. 23.
ca 33000358
Machinery in the workplace.
United States--Economic conditions--1918-1945.
HC106.3 / .C63
330.973