D. von · Manfred "Dutch" von Ehrenfried
| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Exploring the Martian Moons: A Manned Mission to the Orbits of Phobos and Deimos | 978-3-319-52699-7 (3-319-52699-5) | 2017 |
| The Birth of NASA: The Work of the Space Task Group, America's First True Space Pioneers | 978-3-319-28426-2 (3-319-28426-6) | 2016 |