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The protection of Philadelphia workers in selected large concerns against the four hazards of industry.

LIBRA 378.748 POA1932.34
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LIBRA 331.41 G215
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Format:
Book
Manuscript
Thesis/Dissertation
Author/Creator:
Gaston, Benjamin, M. Jr.
Language:
English
Physical Description:
144 pages ; 29 cm
Production:
[Philadelphia], 1932.
Notes:
Thesis--typewritten, 1932.
OCLC:
63649100

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