The Way of Perfection
- E. Allison Peers translation, at Christian Classics Ethereal Library. Searchable. Also available in Adobe Acrobat and RTF.
- http://www.ccel.org/ccel/teresa/way.html

Interior Castle
- E. Allison Peers translation. Split into 5 files. The online equivalent of a "large print" edition. Lacks notes.
- http://www.catholicfirst.com/thefaith/catholicclassics/stteresa/castle/interiorcastle.cfm

The Life of Teresa of Jesus
- E. Allison Peers translation. With notes. The online equivalent of a "large print" edition. Split into 10 files.
- http://www.catholicfirst.com/thefaith/catholicclassics/stteresa/life/teresaofavila.cfm

The Life of St. Teresa of Jesus, of the Order of Our Lady of Carmel
- David Lewis translation. Plain text or HTML, with complete text and notes in one file. Also available in zipped files. At Project Gutenberg.
- http://onlinebooks.library.upenn.edu/webbin/gutbook/lookup?num=8120

The Life of St. Teresa of Jesus
- David Lewis translation. In HTML, with page numbers, one file per chapter.
- http://www.users.csbsju.edu/~eknuth/teresa/life/index.html

The Letters of St. Teresa
- Sixty of the saint's letters, translated by John Dalton. Also includes her "Avisos," some maxims, and a few letters in Spanish and French. 508K.
- http://digital.library.upenn.edu/women/teresa/letters/letters.html

Interior Castle 2
- E. Allison Peers translation. With notes. Part 2 of 2. Sixth Mansions, Chapter 3, to the end. 189K.
- http://www.essene.com/B'nai-Amen/interior2.htm

Interior Castle 1
- E. Allison Peers translation. With notes. Part 1 of 2. Breaks off partway through Sixth Mansions, Chapter 3. 251K.
- http://www.essene.com/B'nai-Amen/interior1.htm

The Seventh Mansion
- Excerpts from the Interior Castle, at CIN.
- http://www.cin.org/7thmans.html

Autobiography
- E. Allison Peers translation. Full text, with concordances and word frequency lists. Each chapter in its own file.
- http://www.intratext.com/X/ENG0032.htm