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- Apparent first printing. WorldCat includes a 1798 record of this book ({{OCLC|749131669}}), but most sources list the date of this book as 1802.
- Extended title: "Bruce's voyage to Naples, and journey up Mount Vesuvius; giving an account of the strange disaster which happened on his arrival at the summit: the discovery of the central world; with the laws, customs, and manners of that nation, described ... the author's travels in that country; and the friendly reception he met with from its sovereign and his people."
- An excerpt from A Voyage to the World in the Centre of the Earth.
- Additional data from The European Library