Tommaso Traetta: Baroque Composer  
   A project seeking to honor and perpetuate his memory and promote knowledge and enjoyment of his music and his contributions to Italian and international cultural life. Includes news, articles, interviews, and works.
   http://www.traetta.com/

Traetta, Tommaso Michele Francesco Saverio  
   Biography, period information, and related people from the Here Of A Sunday Morning radio program.
   http://www.hoasm.org/VIIIB/Traetta.html

Tommaso Traetta  
   Wikipedia article with detailed biography covering all periods and activities of his life. Includes comments on non-operatic works and special emphasis on French influences and time spent in the Russian court with internal references to related topics.
   http://en.wikipedia.org/wiki/Tommaso_Traetta