Book  (1985)  Page(s) 20.  
 
Roy and Heather Rumsey, NSW. New Roses for 1985.
Then we have roses being bred specifically so that they will grow on their own roots, and .....for instance the beautiful dwarf floribunda 'Bella Rosa' (Kordes) will oblige the same way.

Book  (1985)  Page(s) 80.  
 
Jack Harkness, UK. New Roses Galore.  
In the summer of 1984 BARB offered:...Mattocks came up with seven varieties of Kordes. 'Toynbee Hall' (KORmarie) a salmon Floribunda, named after a London community service centre.

[refer also the Mattock 1998 reference.  
This reference may, in fact, be for the 'Miss Pam Ayres' KORmarie rose]

Book  (1984)  Page(s) 60.  
 
E. F. Allen, Awards To New Rose Seedlings In Great Britain In 1983.
'Bella Rosa', KORwonder (seedling x 'Traumerei'), a strawberry pink, cluster flowered seedling, by Kordes, which is rather late to flower. It is very floriferous indeed but the general effect is sometimes a little ragged. Trial Ground Certificate.

Website/Catalog  (1984)  Page(s) 13.  Includes photo(s).
 
BELLA ROSA ® (Korwonder).Une merveille ! Remarquable pour son aptitude à refleurir, ce mini-polyantha buissonnant nous offre une mer de petites fleurs d'un rose clair lumineux rehaussé par un feuillage vert foncé brillant. 30/40 cm.
Médaille d'or à COUTRAI en 1982 et primé à COPENHAGUE en 1982. Médaille d'or à BADEN-BADEN en juillet 1983

Book  (1983)  Page(s) 19.  
 
Roy and Heather Rumsey, NSW.  New Roses. 
Bella Rose Floribunda (Kordes). This is a most beautiful low growing rose with the classification of floribunda by the raiser. The flowering is most profuse, and the foliage is dark green with reddish tints. The small buds are salmon pink, and the open blooms are about 5 cm. across. Height is about 50 cm., perfume is rich and spicy. A really outstanding new low growing cluster type rose.