Visual Elements: Carbon
- Image, sources of carbon, general information, key isotopes and a downloadable animation clip.
- http://www.chemsoc.org/viselements/pages/carbon.html

Wikipedia: Carbon
- An article with picture covering properties, history, applications, allotropes, carbon chains and safety precautions.
- http://en.wikipedia.org/wiki/Carbon

It's Elemental: Carbon
- Physical characteristics, the history of carbon, compounds and isotopes.
- http://education.jlab.org/itselemental/ele006.html