21
Petrie, George
| Dover |
2002
23
Petrisek, Ann C.
| The Gerontological Society of America |
1999
26
Petrisek, Ann C.
| The Gerontological Society of America |
1997
27
Petrik, James M.
| Martinus Nijhoff Publishers |
1994
29
Petrie, W. M. Flinders
| Methuen |
1990
30
Petrie, W. M. Flinders
| Methuen |
1990