42
Larsen, Robert L.
| G.Schirmer |
2013
44
Sanders, E. P.
| National Book Network |
2016
46
Cornill, Carl Heinrich, 1854-1920.
| Quelle & Meyer |
1985
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48
Bleeker, Johannes Jacob.
| JB Wolters |
1897
50
Grabbe, Lester L.
| Sheffield Academic Press |
2001