Mayo Clinic
Mayo Clinic: Burns
This site from the MayoClinic.com provides great information on the various types of burns, such as first degree, second degree, and third degree. Links are provided throughout for additional information on related subjects.
WebMD
Medicine Net: Skin Overview: Burns
Read brief answers to such first aid questions as: "What are the categories of burns?" "What is the significance of the total body area affected?" "How important is the location of a burn?" "What about electrical burns?" "What about...
Other
St. John: First Aid Tips for Burns
Simple information taken from the "St. John First Aid Manual," on how to manage and cover injuries caused by burns. Organized into bullet-point notes, this is a good reference for an emergency situation.