Book  (19 Apr 2000)  Page(s) 291.  
 
'KORwalbe', Min, rb, 1984; (Maidy ®); description; (Regensberg X Seedling); Kordes, W.

Book  (1991)  Page(s) 72.  Includes photo(s).
 
Maidy... This German-bred red blend rose never made it to the United States or Britain...

Website/Catalog  (1988)  Page(s) 3.  
 
Floribundas ....MAIDY ® Korwalbe (Kordes 87) Rouge groseille nuancé blanc (H. 50 cm.).
​​​​​​​[no longer listed in 1989]