14
O’Brien, Erica L.
| The Gerontological Society of America |
2017
15
Webber, Frederick Roth
| Northwestern Pub.House |
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16
Webber, Frederick Roth
| Northwestern Pub.House |
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17
Nippold, Friedrich.
| H Koelling |
1873
18
Roth, Benjamin
| University of Chicago |
2014
19
Rothenbusch, Esther
| The Southern Baptist Theological Seminary |
1997
20
Clayton, Jay
| University of Wisconsin Press |
1991