Dewey Delaware Classification

Dewey Delaware is our special way to track library customer interests and use of our libraries’ services and resources. Dewey Delaware is used for gaining an understanding of questions asked online (Ask a Librarian DE -Reference Analytics) and in person (the Reference Tally Sheet) as well as for library programs and events (through LibCal).

  • 000-Generalities (include computer help, computer technology, questions about the eBook services – and library account-related questions)
  • 100-Philosophy/Psychology (include self-help questions)
  • 200-Religion
  • 300-Social Sciences (include education, law, financial, veterans, government, politics, folklore questions)
  • 400-Language (include ESL and literacy questions)
  • 500-Science (include STEM*, mathematics, physics, chemistry, zoology, botany, earth sciences, paleontology, evolution, dinosaurs, questions)
  • 600-Applied Science (include technology, health, engineering, pets, cooking, management, job hunting, home building and construction questions)
  • 700-Arts (include fine arts, architecture, home decorating, photography, music, recreation and sports questions)
  • 800-Literature (include questions about fiction authors including readers’ advisory questions)
  • 900-History and Geography (include genealogy and biography)