Resource types:

• Biographical material
• Blogs and discussion fora
• Books
• Conference materials
• Databases
• Dictionaries, encyclopedias, guides
• Government publications
• Images
• Journals
• Law reports
• Lectures, course materials
• Maps
• Multimedia (sound, interactive resources, moving images)
• News
• Other materials
• Papers, reports, articles, texts
• Patents, standards
• Portals, sets of links
• Professional organizations
• Software
• Statistics