21
(Research Report)Songs on the Prairie : The Unidentified Singing School Book of Laura Ingalls Wilder
Schaefer, Gregory L.
| The Hymn Society of America, Inc. |
2000
22
Schaefer, Charles A.
| Christian Association for Psychological Studies, Inc. |
1992
23
Mason, John D.
| Calvin College |
1990
25
Schaefer, Kurt C.
| Calvin College |
2014
26
Schaefer, D. O.
| Martinus Nijhoff Publishers |
2014
27
Schaefer, Markus
| Walter De Gruyter GmbH |
1994
28
Schaefer, Judith Katherine
| Marquette University |
2004
30
Schaefer, Jame
| Scholars Press |
2013