000			00988nam a2200217Ia 4500
001			0000015131
005			20251012174503.0
008			881129s1989 eng
020			_a0844406317
049			_bpj
050			_aZ696U5Q
245	1	0	_aLibrary of Congress Classification. Class Q. Science _cSubject Cataloging Division, Processing Services, Library of Congress
250			_a7th ed.
260	1		_aWashington _b: The Library of Congress _c1989
300			_a736 p.
500			_aKept up to date by the division's L.C. classification--additions and changes, and by two publications irregularly issued by Gale Research Company entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class Q an d Library of Congress classification schedules combined with additions and changes.
650		0	_aClassification, Library of Congress _vPeriodicals
650		0	_aClassification _xBooks _xScience
740	0		_aClass Q
740	0	1	_aScience
999			_c4541 _d4541