Acacia John Bunyan Online Library: Includes John Bunyan's sermons, allegories, and poetry.
Bunyan Before the Courts: Autobiographical book.
Classic Bookshelf: Pilgrim's Progress by John Bunyan, free to read online with adjustable sized text and automatic bookmarking.
Exhortation To Peace And Unity: E-text at Project Gutenberg.
Grace Abounding to the Chief of Sinners: Complete online text of the Autobiography of John Bunyan.
Grace Abounding to the Chief of Sinners: Autobiography (Project Gutenberg).
Life And Death Of Mr. Badman: E-text at Project Gutenberg.
Pilgrim's Progress: Complete online text of books one and two.
Pilgrim's Progress: Text is available online in several formats, including HTML and PDF. From the Christian Classics Ethereal Library.
The Celestial Railroad: Story by Nathaniel Hawthorne; a modern update or parody of "Pilgrim's Progress."
The Complete Works of John Bunyan: E-text at Project Gutenberg.
The Holy War: E-text at Project Gutenberg.
The Jerusalem Sinner Saved: E-text at Project Gutenberg.
The Pharisee And Publican: E-text at Project Gutenberg.
The Pilgrim's Progress: From Project Gutenberg.