Book  (2007)  Page(s) 60.  
 
Bonny, LCl, lp, Kordes ... description

Website/Catalog  (15 Nov 2000)  Page(s) 6.  Includes photo(s).
 
Bonny® Züchter/Breeder: Nieborg - W. Kordes' Söhne, 1998.

Website/Catalog  (31 Dec 1998)  Page(s) 3.  Includes photo(s).
 
Bonny® Climber. Nieborg - W. Kordes' Söhne 1998. Description.

Book  (1996)  Page(s) 122.  
 
'Nieborg's Fliederrose Rosa' (Nieborg) like [Nieborg's Fliederrose Lila], with pink blooms.