Búsqueda por clasificación
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518- Ecoinfo
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519- Philosophy
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520- Educational sciences
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521- Sociology
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522- History of science and technology
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523- History and sciences of litterature
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524- Linguistics
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525- Prehistory and protohistory
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526- Art and archaeology
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527- History and sciences of religions
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528- Administrative science
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529- Ethnology
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529-1 General studies
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529-8 Sources and methods
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529-20 Morphological source materials
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529-43 Monographs
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529-51 Social structure and social relations
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529-70 Religion, magic, witchcraft
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529-80 Cognitive problems, arts and sciences, folk traditions, folklore.
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529-104 Acculturation, contemporary social changes. (cultural action - rights of indigenous peoples )
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529-104F Generalities.
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529-105 Africa.
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529-106 America.
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529-106M Central America (Including Mexico).
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529-106N North America.
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529-106R South America.
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529-107 Asia.
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529-108 Middle East (Saudi Arabia, Egypt, Iraq, Iran, Israel, Jordan, Koweit, Syria, Yemen).
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529-109 Oceania.
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529-110 Europa.
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529-111 Former Soviet Union
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529-104F Generalities.
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529-1 General studies
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531- Geography
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533- Latin america
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540- Repertory of art and archaeology.
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600-
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603- Computer processing and legal sciences
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610-
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616- Company management
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617- General economics
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731- Energy economics
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760- Public health. Hygiene.
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770- Psychology. Psychoanalysis. Psychiatry.
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790- Information and communication sciences