500 Natural sciences & mathematics

500 Bill Beaty 1
500 Bill Beaty 2
500 Nottingham Trent University Faculty of Science and Mathematics
500 Science (BUBL)
500 Science (Yahoo)
500 Science Museum
500 Sheffield Hallam University School of Science
500 WWL 500
500.5 Space (Yahoo)
500.880909 Amateur Science (Yahoo)

501 Philosophy of Science

505 Magazines (Yahoo)

507 Alternative (Yahoo)
507.2 Science Research (Yahoo)
507.4 Museums (Yahoo)

508 Environment and Nature (Yahoo)

509 History of Science, Technology and Medicine (WWWVL)
509 History of Science, Technology, and Medicine

510 Lancaster University Department of Mathematics and Statistics
510 Liverpool John Moores University School of Computing and Mathematical Sciences
510 Mathematics (BUBL)
510 Mathematics (WWWVL)
510 Mathematics (Yahoo)
510 Nottingham Trent University Department of Mathematics, Statistics and Operational Research
510 Sheffield Hallam University Mathematics Centre
510 University of Bristol, Department of Mathematics
510 University of Durham Department of Mathematical Sciences
510 University of Newcastle Department of Engineering Mathematics
510 WWL 510

511.8 Genetic Algorithms
511.8 Genetic Generation of Images

514.74 Sprott's Fractal Gallery

515 Chaos (Yahoo)

516 Geometry Center Welcome Page

519.2 KOvach Computing Services
519.2 Lancaster University Centre for Applied Statistics
519.5 Statistical Computing Resources
519.5 Statistics (WWWVL)
519.6 Algorithmics Ltd.
519.6 Numerical Algorithms Group Ltd.

520 Astronomy (BUBL)
520 Astronomy (Yahoo)
520 EPSRC Daresbury Laboratory
520 EPSRC Rutherford Laboratory
520 Leeds University Astrophysics Research Group
520 SETI Institute
520 Star Link
520 University of Durham Department of Physics Astronomy and Astrophysics Research
520 WWL 520

522.1 Armagh Observatory
522.1 Royal Observatory Edinburgh
522.682 Mullard Radio Astronomy Laboratory
522.6863 Cambridge University X-Ray Astronomy Research Group

526 Cartography (WWWVL)
526 Map Design Research
526 Napier University Earth Imaging Systems Research Group
526 Ordnance Survey

530 Department of Physics Cambridge University
530 Energy (Yahoo)
530 Nottingham Trent University Department of Chemistry and Physics
530 Physics (BUBL)
530 Physics (Yahoo)
530 University of Durham Department of Physics Condensed Matter Physics Research
530 University of London Imperial College Theoretical Physics Research Group
530 WebHole
530 WWL 530
530.8 Weights & Measures

532 University of Wales (Swansea) Computational Fluid Dynamics Research Group

534 Acoustics (Yahoo)

539 Oxford University Particle and Nuclear Physics Research Group
539 University of Durham Department of Chemistry Durham/Newcastle Atomic and Molecular Physics Group
539.1 University of Newcastle Relativity and Quantum Fields Research Group
539.7 Accelerator Physics (WWWVL)
539.7 Cold Fusion Technology
539.7 Nuclear Physics (WWWVL)
539.7 University of Durham Department of Physics Elementary Particle Theory and Atomic Physics Research
539.76 High Energy Physics (WWWVL)

540 540 The World-Wide Web Virtual Library: Chemistry
540 Chemistry (BUBL)
540 Chemistry (WWWVL)
540 Chemistry (Yahoo)
540 Chemistry 1
540 Chemistry 2 (Yahoo)
540 Leeds University Chemistry Research Group
540 Nottingham Trent University Department of Chemistry and Physics
540 Oxford Molecular
540 UK Chemistry World Journal of Cyber Chemistry
540 WWL 540

541 University of Durham Department of Chemistry Theoretical and Computational Chemistry Research Group

547.7 Leeds University Polymer Physics Research Group

548 Crystallography (WWWVL)
548 Department of Crystallography Birkbeck College University of London
548 International Union of Crystallography
548 University of Durham Crystallography Server

550 Deutsches Klimarechenzentrum (WWWVL)
550 Earth Science (WWWVL)
550 Earth Sciences (BUBL)
550 Earth Sciences (Yahoo)
550 Geology (BUBL)
550 Geophysics (WWWVL)
550 Geophysics (Yahoo)
550 WWL 550

551 British Geological Survey
551 British Geological Survey, Geomagnetism Group
551 Geology (Yahoo)
551 University of Durham Department of Geological Sciences
551 University of London Royal Holloway and Bedford New College Geology Research Group
551.46 Oceanography (BUBL)
551.46 Oceanography (WWWVL)
551.46 Oceanography (Yahoo)
551.48 Institue of Oceanographic Sciences (NERC)
551.48 Institute of Hydrology (NERC)
551.48 James Rennell Centre for Ocean Circulation (NERC)
551.48 Plymouth Marine Laboratory (NERC)
551.5 Cambridge University Centre for Atmospheric Science
551.5 Meteorology (BUBL)
551.5 Meteorology (WWWVL)
551.5 Meteorology (Yahoo)
551.5 Online Weather
551.5 Oxford University Atmospheric Physics Research Group
551.5 Purdue Weather Processor
551.5 University of East Anglia Climate Research Group
551.5 Weather (Kidwell)
551.5 Weather Browser
551.5 Weather, Complete List of Resources

553 Petroleum Science and Technology Institute
553 University of Newcastle Department of Fossil Fuels and Environmental Geochemistry

560 International Organisation of Palaeobotany
560 Palaeontology (BUBL)
560 WWL 560

570 Bio Sciences (WWWVL)
570 Biology (BUBL)
570 Natural History Museum
570 NERC
570 Nottingham Trent University Department of Life Sciences
570 Online Science Information Service
570 University of Bristol, School of Biological Sciences
570 University of Durham Department of Biological Sciences
570 WWL 570

572 University of Kent Anthropology Research Group

574 Biology (Yahoo)
574 National Institute for Biological Standards and Controls
574.1 Physiology and Biophysics (WWWVL)
574.19 Biochemistry (WWWVL)
574.3 Developmental Biology (WWWVL)
574.5 Biodiversity and Ecology (WWWVL)
574.5 Eco
574.5 Ecology (Yahoo)
574.5 NERC Institute of Terrestrial Ecology
574.8 Biological Molecules (WWWVL)
574.88 Molecular Biology

575 European Bioinformatics Institute
575 Evolution (WWWVL)
575 Medical Research Council Human Genome Project
575 MRC Human Biochemical Genetics Unit
575 Sanger Centre
575 University of Durham Department of Biological Sciences Yeast Genetics Research Group
575.1 Drosophila (fruit fly) (WWWVL)
575.1 Genetics (BUBL)
575.1 Genetics (WWWVL)
575.1 Poultry Gene Mapping Project

576 Microbiology & Virology (WWWVL)
576 Microbiology (BUBL)
576 University of Durham Department of Biological Sciences Animal Cell Biology Research Group

577 Edinburgh University Department of Biochemistry
577 Leeds University Biochemistry and Molecular Biology Research Group
577 MRC Cambridge Centre for Protein Engineering

579 University of Newcastle Department of Microbiology

580 Botany (BUBL)
580 British Trees
580 Natural History Museum
580 Oxford University Department of Plant Science
580 Plant Biology (WWWVL)
580 Royal Botanical Gardens Kew
580 WWL 580

581 University of Durham Department of Biological Sciences Plant Insect Interactions Research Group

589.2 Mycology (Fungi) (WWWVL)
589.2 Yeasts (WWWVL)

590 Animals (Yahoo)
590 Biology (Yahoo)
590 Electronic Zoo
590 Natural History Museum
590 Terry Polk's Zoological E-mail Directory
590 WWL 590
590 Zoology (BUBL)
590.744 Zoos (WWWVL)

591 Zoology (Yahoo)
591.1 Vision Science (WWWVL)

592 Caenorhabditis elegans (nematode) (WWWVL)
595.7 Entomology (WWWVL)
595.7 Entomology Index

597 Fish (WWWVL)
597.6 Herpetology (WWWVL)

598 Barbara Beck
598 Bird-Related Information
598 BirdChat
598 Birders' Home Pages
598 Birding
598 Birding and Natural History
598 Birding on the Web
598 Birding Page
598 Birding the Internet
598 David Rintoul
598 Delaware Birding Sites
598 James Cracknell
598 John Shipman
598 Kookaburra
598 Les oiseaux de l'autoroute électronique:
598 Louis Agassiz Fuertes
598 Mike Smith
598 National Birding Hotline Cooperative
598 Rob Scott
598 Royal Australasian Ornithologists Union
598 Shipman's Home Sweet Homepage
598 Susan Collicott
598 World Species List
598.295 Oriental Bird Club
598.296 African Bird Club
598.297 National Audubon Society
598.297 North American Breeding Bird survey
598.2973 Bird Checklists
598.29797 Modelling Avian Distributions for WAGAP
598.29797 WAGAP newsletter
598.29797 Washington Breeding Bird Atlas
598.29797 Washington Gap Analysis
598.29797 Washington Ornithoogical Society

599.5 Whale Watching (WWWVL)
599.7 Adam's Fox Box II