Blackwell, Brian and Andre Dauwalder. The Symphony: An Interactive Guide.
     1998. http://library.thinkquest.org/22673/?tqskip1=1.

Includes information, photos, and sound clips for history and development of the symphony, composers’ information, a timeline, data on symphonies, instruments of the orchestra, and symphonic forms. Interestingly, this site is produced by two teenagers in Australia.