Notes: There is an illustration at the beginning of each part, not from the original French edition. Artist is unknown. The table of contents for Part 1 starts on page 3 (unnumbered, but second page is numbered 4) followed by the novel on page 5. The last page is 255. The second part follows after a blank page with a table of contents, the second page of which is numbered 4. There is a blank page, then a full page illustration, followed by the second part of the novel on an unnumbered page 5. This is followed by a 31 page publisher's catalogue (dated August 1875), pages 4-31 numbered and followed by an ad for magazines on an unnumbered page. Sources:

• Title, publisher (George Routledge and Sons), page counts, date (1879), notes and cover image from scanned copy at Bodleian Library.
• Title, publisher (George Routledge), translator, translation, date (March 1879)and price (2s6d) from Jules Verne Encyclopedia.
• Title, publisher (Routledge), date (1879), translation and translator from jv.gilead.org.il.