- HTML (8 pages, indexed) at the Internet Archive, originally at the University of Virginia Library (translated by William Archer)
- German HTML (5 pages, indexed) at Projekt Gutenberg DE (Translated by Christian Morgenstern)
- Norwegian Multi-Format (HTML, EPUB, Kindle, Text) at Project Gutenberg
Available at Amazon.com:
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- Paperback edition, translated by Robert Brustein (Ivan R. Dee, 1990, 112 pg).
- Paperback edition, translated by Robert Brustein (Ivan R. Dee, 1997, 112 pg).
All links verified on or after January 13, 2020