51
Shaw, R. Daniel.
| The Rowman & Littlefield Publishing Group |
2003
52
Urion, David.
| The Rowman & Littlefield Publishing Group |
2006
53
Steinke, Peter L.
| The Rowman & Littlefield Publishing Group |
2006
54
Burgess, O. O.
| sn |
1899
55
Mrozik, Susanne
| Scholars Press |
2004
56
Bowen, Francis
| HB Williams |
1842
57
Molino, Anthony.
| The Rowman & Littlefield Publishing Group |
2013
58
Berntsen, John A.
| The Rowman & Littlefield Publishing Group |
2008
59
Bamford, Nicholas.
| The Rowman & Littlefield Publishing Group |
2012
60
Ruiten, J. van
| Brill |
2016