4
Seeberg, Reinhold
| GP Putnam |
1986
5
Wallhagen, Margaret I.
| The Gerontological Society of America |
1994
6
Strawbridge, William J.
| The Gerontological Society of America |
1997
7
Strawbridge, William J.
| The Gerontological Society of America |
2000
8
Coller, Percy E. B.
| Abingdon Press |
1997
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