51
Blass, Laurie
| National Geographic Learning Cengage Learning |
2020
52
Blass, Laurie
| National Geographic Learning |
2017
53
Blazer, Dan G.
| The Gerontological Society of America |
2001
54
Blodgett, Barbara J.
| The Rowman & Littlefield Publishing Group |
2011
55
Blount, Douglas K.
| The Rowman & Littlefield Publishing Group |
2007
56
Boehmer, Julius
| A Deichert (Georg Bo?hme) |
1985
57
Boles, Paul Christian.
| The Claremont Graduate University |
2012
58
Braithwaite, Valerie
| The Gerontological Society of America |
1998
59
Braithwaite, Valerie
| The Gerontological Society of America |
2000