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Hours of work in coal mines : [Questionnaire]
Author
International Labour Office.
Title
Hours of work in coal mines : [Questionnaire].
Published
Geneva : International labour office, 1930.
Physical Description
91 pages, 1 unnumbered page ; 22 cm.
Notes
At head of title: International labour conference. Fifteenth session. Geneva, 1931.
Format
Books
Language
English
Added to Catalog
March 28, 1995
Subjects
Coal mines and mining.
Hours of labor.
Coal miners.
Lignite.
Also listed under
International Labour Conference (15th : 1931 : Geneva, Switzerland)
Bookmark As
https://search.library.yale.edu/catalog/b271398
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