1
Barrie, J. M.
| Project Gutenberg |
6
Burbridge, Lynn C.
| The Gerontological Society of America |
1993
7
Dickinson, Joan Ivers
| The Gerontological Society of America |
1995
8
Strayer, Michael S.
| The Gerontological Society of America |
1997
9
Schnelle, John F.
| The Gerontological Society of America |
1997
10
Lekan-Rutledge, Deborah
| The Gerontological Society of America |
1998