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    Listed below are the titles of the main classes, classified by Library of Congress Classification by LOC.

    Technology and Engineering

  • Communication
  • Architecture
  • Artificial Intelligence
  • Computer software and applications
  • Computing Bioinformatics
  • Biotechnology
  • Data Mining
  • Energy Engineering Forestry
  • Internet and World Wide Web
  • Information Technology
  • Nanotechnology and Smart Materials
  • Renewable Energy
  • Robotics
  • Systems Engineering

    Agriculture

  • Agriculture
  • Plant culture
  • Forestry
  • Animal culture

    Medicine

  • Medicine
  • HIV/AIDS

    Geography. Anthropology. Recreation

  • Geography
  • Mathematical geography. Cartography
  • Physical geography
  • Oceanography
  • Environmental Sciences
  • Human ecology. Anthropogeography
  • Anthropology

    Fine Arts

  • Visual arts
  • Architecture
  • Sculpture
  • Drawing Design Illustration
  • Decorative arts
  • Arts in general

    Philosophy

  • Philosophy

    Auxiliary Sciences Of History

  • Auxiliary Sciences of History

    History Of The Americas

  • History Of The Americas

    Political Science

  • Political Science

    Law

  • Law in general
  • Science

  • Mathematics
  • Astronomy
  • Physics
  • Chemistry
  • Geology
  • Botany
  • Zoology
  • Human anatomy
  • Physiology
  • Microbiology

    Education

  • Education in general
  • e-learning
  • m-learning
  • u-learning

    Language And Literature

  • Language And Literature
  • Language learning

    Social Sciences

  • Social sciences
  • Statistics
  • Economic theory and history
  • Transportation and communications
  • Finance
  • Sociology
  • Socialism Communism Anarchism

    World History

  • History
  • Europe
  • Asia
  • Africa
  • Oceania (South Seas)

    Music And Books On Music

  • Music in general

    Military Science

  • Military Science

    Naval Science

  • Naval Science

    Bibliography

  • Bibliography

    General Works

  • General Works