| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cosmos: A Sketch of a Physical Description of the Universe, Volume 1 | 978-1-145-43875-0 (1-145-43875-X) | 2010 | Alexander von Humboldt · Benjamin Horatio Paul |
| Denmark and Iceland - Scholar's Choice Edition | 978-1-297-12599-7 (1-297-12599-1) | 2015 | |