000			00573nam a22001817a 4500
008			230310b |||||||| |||| 00| 0 eng d
022			_a1048-9711
040			_aNational Science Library _cNational Science Library
080			_aD 025.43LCSH _bN0.1
245			_aLibrary of congress subject headings _c/ Prepared by the office for subject cataloging policy collections services
250			_a13th ed.
260			_aWashington: _bLibrary of Congress, _c1990
300			_alxvii, 1465p.
500			_aVol. 1 A-E
650			_aLCSH
653			_aSymbols
942			_2udc _cBK
999			_c7352 _d7352