000			00882cam a22002651 4500
001			l 31000028
003			DLC
005			20260227111533.0
008			790709s1930 sz i100 0 eng c
010			_al 31000028
035			_a(OCoLC)5151481
040			_aU.S. Dept of Labor. Library _cOCl _dDLC
042			_apremarc
050	0	0	_aHD5119.M6 _bI5 1930b
082			_a331.8182233
110	2		_aInternational Labour Office
245	1	0	_aHours of work in coal mines. _bItem II on the agenda.
260			_aGeneva, _bInternational labour office, _c1930.
300			_a91, [1] p. _c21 cm.
500			_aAt head of title: Questionnaire. International labour conference. Fifteenth session. Geneva--May, 1931.
650		0	_aCoal mines and mining.
650		0	_aHours of labor.
650		0	_aCoal miners.
711	2		_aInternational labor conference _n(15th : _d1931 : _cGeneva)
999			_c36005 _d36005