13
Liu, Xian
| The Gerontological Society of America |
1995
14
van der Vyver, Johan D.
| Martinus Nijhoff Publishers |
1996
15
Witte, John
| Martinus Nijhoff Pub. |
1996
17
Witte, John
| Orbis Books |
1999
18
Witte, John
| Princeton Theological seminary |
2001
19
Witte, Markus
| Walter De Gruyter GmbH |
2001
20
Witte, Markus
| Walter De Gruyter GmbH |
2003