Heidi by Johanna Spyri - Includes a biography of the author, a timeline of her life, and several portrait. Also provides an in-depth look at the novel and its setting. www.geocities.com/EnchantedForest/Glade/8905/page2.html
Johanna Spyri's Life and Works - A detailed timeline of Spyri's life, along with the story of Heidi. www.heidi-swiss.ch/en/heididorf/johannaspyri01.html
