Happiness is... Another You're a Good Man Charlie Brown Site: Pictures and cast list from a fan of the musical.
Ilana Levine OnLine: The website dedicated to the actress who originated the role of Lucy in the 1999 revival.
Melissa's Little Tribute to You're A Good Man Charlie Brown: Fan site.
You're a Good Man, Charlie Brown: Brief history of the musical by Clark Gesner, plus links to cast albums and sheet music.
You're a Good Man, Charlie Brown: Official site of the Toronto production.