Spyri, Johanna

Heidi
Complete online text of the book, along with downloadable e-text, and a discussion group.
http://www.learnlibrary.com/book/spyri/heidi/index.htm

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.
http://www.geocities.com/johannaspyri/

Johanna Spyri - Heidi
Free to read online with adjustable sized text and automatic bookmarking.
http://www.classicbookshelf.com/library/Spyri/

Johanna Spyri's Life and Works
A detailed timeline of Spyri's life, along with the story of Heidi.
http://www.heidi-swiss.ch/en/heididorf/johannaspyri01.html

Playing Heidi
An online column by Australian writer Carmel Bird. Focuses on the debate between two Swiss cities, both of which want to claim Heidi as their own.
http://www.carmelbird.com/col08.html