Professional Organizations:

• Sociedad Española de Biofísica
• European Biophysical Societies' Association
• Biophysical Society (US)
• Division of Biological Physics of the American Physical Society (APS)
• The British Biophysical Society
• Société Française de Biophysique

Books and magazines on biophysics:

• Online Textbook of the Biophysical Society ( a good general reference on many topics)
• The Virtual Journal of Biological Physics
• Encyclopedia of Life Sciences
• Biophysical Journal
• European Biophysics Journal
• Archives of Biochemistry and Biophysics
• Advances in Biophysics
• Biophysical Chemistry

Centres and laboratories:

• Center for Theoretical Biological Physics (San Diego)
• Advanced Photon Source (Argonne)
• Pacific Northwest National Laboratory
• Protein Structure Factory (Germany)
• Diamond Synchrotron Light Source (UK)

Others:

• Chromatin Structure and Function Page
• A big collection of biology web movies (Davidson College)
• The Vale Lab Home Page

More pages on biophysics:

• Link collection from the Biophysical Journal
• Yahoo biophysics links