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1. Dictionary.com Word of the Day (English (US))
   A new word is presented every day with its definition and example sentences from actual published works.
   
   
   
2. Dictionary.com Word of the Day (English (US))
   A new word is presented every day with its definition and example sentences from actual published works.
   
   
   
3. The All-Baseball.com Reference Pages (English (US))
   
   
   
   
4. The Space Elevator Reference (English (US))
   
   
   • Carbon Nanotubes
   • Announcements
   • News
   
   
5. Cross Reference (English (US))
   REFERENCE
   
   • CROSS REFERENCE
   • COLOPHON
   
   
6. Data Interest Group for Reference Services (DIGRS) (English (US))
   
   
   • Metadata Interpretation
   • Statistics Reference Questions
   • The Data Reference Interview
   • Data Reference Approaches
   • Background