The metal machining trades in Philadelphia an occupational survey ...

Description

Thesis (Ph. D.)--University of Pennsylvania, 1939. / Bibliography: p. 125-129.

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1. http://catalog.hathitrust.org/api/volumes/oclc/4632248.html

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Additional Fields

Identifer	oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/576037074
Date	January 1939
Creators	Horowitz, Irving Lewis,
Publisher	Philadelphia,
Source Sets	OCLC
Language	English
Detected Language	English