51
Ferguson, Everett
| Fortress Press |
2016
54
Policy Council, American Foreign.
| The Rowman & Littlefield Publishing Group |
2014
55
Holland, Glenn S.
| The Rowman & Littlefield Publishing Group |
2009
56
Gopin, Marc.
| The Rowman & Littlefield Publishing Group |
2009
58
Brockelmann, Carl
| CF Amelang |
1907
59
Schulthess, Friedrich
| Weidmann |
1905
60
Trampe, Ernst.
| R Gaertners |
1986