- MUSICA TRADICIONAL 12
- CATALOGACION 11
- ENCABEZAMIENTOS DE MATERIA 8
- BALADAS 6
- BIBLIOTECOLOGIA 6
- LIBRARY OF CONGRESS 6
- BIBLIOGRAFIA 4
- BIBLIOGRAFIAS 4
- CIENCIAS SOCIALES 4
- MATERIAL DE REFERENCIA 4
- MUSICA NEGRA 4
- REGLAS DE CATALOGACION 4
- AFROAMERICANOS 3
- CATALOGACIÓN 3
- LITERATURA ESPAÑOLA 3
- MANUALES DE REFERENCIA 3
- MUSICA RELIGIOSA 3
- BIBLIOGRAFIAS LATINOAMERICANAS 2
- BIBLIOGRAFIAS LITERARIAS 2
- BIBLIOTECAS 2
- BIBLIOTECAS NACIONALES 2
- CLASIFICACION 2
- DICCIONARIOS 2
- DIRECTORIOS 2
- Formatos marc 2
- MUSICA VOCAL 2
- ABORIGENES IROQUOIS 1
- ARTE LATINOAMERICANO 1
- ASPECTOS LEGALES 1
- AUTOMATIZACION DE BIBLIOTECAS 1
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21
Reglas para la catalogación descriptiva en The Library of Congress : películas animadas y fijas /
Published 1953“…The Library of Congress,…”
Book -
22
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23
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24
Cataloging distribution service, 1994-95 : Complete Catalog /
Published 1995“…The Library of Congress,…”
Book -
25
Subject headings : used in the dictionary catalogs of the Library of Congress /
Published 1957“…Library of Congress,…”
Book -
26
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27
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28
Investigations in progress in the United States in the field of Latin American Humanistic and Social Science Studies /
Published 1942“…Library of Congress,…”
Book -
29
Latin America, Spain, and Portugal ; an annotated bibliography of paperback books /
Published 1971“…Library of Congress,…”
Book -
30
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31
Spanish and portuguese translations of United States books 1955-1962 : a bibliography.
Published 1963“…Library of Congress,…”
Book -
32
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33
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34
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35
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36
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37
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38
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39
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40