D. J. · D Johnson · Douglas Hamilton Johnson · Douglas Johnson
Hakluyt Society · Indiana University Press · James Currey
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Juan-Maria Schuuer's Travels in Northeast Africa, 1880-83 | 978-0-904180-45-9 (0-904180-45-X) | 1999 | Juan-Maria Schuuer · J.M. Schuver |
| Root Causes of Sudan's Civil Wars | 978-0-85255-392-3 (0-85255-392-7) | 2003 | |
| The Root Causes of Sudan's Civil Wars | 978-0-253-21584-0 (0-253-21584-6) | 2002 | |