Book  (1955)  Page(s) 112.  
 
'Ellen Poulsen'. Dark Red. A darker sport of the well-known 'Ellen Poulsen' and is of similar growth and characteristics. Medium fragrance. Dwarf.

Magazine  (1936)  Page(s) 122.  
 
Ellen Poulsen, dunkelrot (Polyantha). Very good, pure bright dark red group rose, which merits best recommendation...Low garden plants 1 piece RM [Reichsmark] -.70  10 pieces RM 6.50

Book  (1936)  Page(s) 578.  
 
Poulsen, Rote Ellen (polyantha) Poulsen 1930 (Tantau); dark red. Sangerhausen