Handel
Handel
http://gfhandel.org/
Mozart
The life, times and music of wolfgang amadeus mozart. includes a complete köchel listing, bibliography, biography, links to related sites and commentary on individual compositions.
http://www.mozartproject.org/
Mozart 2
Life and work of wolfgang amadeus mozart. includes a guide to classical musical. free scores, lyrics and music.
http://www.studio-mozart.com/mozart/index.htm
Puccini
Puccini
http://www.puccini.it/
Verdi
Giuseppe verdi: biography, operas and cds
http://www.cosmopolis.ch/english/cosmo13/verdi.htm