Etexts:
- HTML (Multi-page, indexed; excerpts) at the Hanover Historical Texts Project (Translated by H.I. Woolf)
- Multi-format (HTML, EPUB, Kindle, Text) at Project Gutenberg (Translator unknown)
- Portuguese HTML (Multi-page; embedded viewer) at Logos Library (Translator unknown)
Available at Amazon.com:
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- Paperback edition, translated by Leonard Tancock (Viking Press, 1984, 400 pg).
All links verified on or after October 17, 2020