Book  (Apr 1993)  Page(s) 500.  
 
Rödhätte, Climbing Climbing Floribunda, clear cherry-red, 1925, Grootendorst, F.J.

Book  (1936)  Page(s) 616.  
 
Rödhätte, Climb. (cl. polyantha) Grootendorst 1925; sport of above [Rödhätte]; climbing Habit
Rödhätte, Climb. (cl. polyantha) Lingwood 1932; sport of Rödhätte; climbing habit

Book  (1926)  Page(s) 186.  
 
Climbing Rödhatte Climbing Polyantha. (F.J. Grootendorst & Sones [The Netherlands], 1925) Type, 'Rödhätte,' in flower... cherry-red... hardy