Here is a reference for Louis Rödiger:

"Louis Rödiger, Kordes' Sons 35, macrantha; double; orange; medium-size clusters; flower 12cm; very fragrant; early bloom; hardy to -25C (-13F); trailing, upright habit; well branche; for pillars,arbours,North,East,West walls, bush; glossy dark gren foliage, medium growth"

Source: "Die Rosen", Wilhelm Kordes, Hannover 1953