000 00515nam#a2200205#c#4500
003 IEF
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008 950601s1975 uuu####fr####| 0||u| |u
040 _aIEF
110 2 _aLibrary of Congress
_933258
245 _aSubject headings
250 _a8th ed.
260 _aWashington
_b Library of Congress
_c1975
300 _a2 v. (LXXXI, 2026 p.)
_c30 cm.
500 _a1 t. en 2 v.
650 4 _aENCABEZAMIENTOS DE MATERIA
_943604
942 _cLIB
942 _z52989
999 _c82332
_d82332