Rudolf Felder
[ar] رودلف فيلدر
[cs] Rudolf Felder
[es] Rudolf Felder
[fr] Rudolf Felder
[ml] റുഡോൾഫ് ഫെൽഡർ
[nl] Rudolf Felder
[nb] Rudolf Felder
[pl] Rudolf Felder
[ru] Фельдер, Рудольф
[sk] Rudolf Felder