Website/Catalog  (31 Dec 1998)  Page(s) 17.  Includes photo(s).

Website/Catalog  (23 Oct 1998)  Page(s) 34.  
 
Miss Pam Ayres (KORmarie) Modern Shrub Rose. Kordes 1986... deep yellow blooms which mature to scarlet red, slightly fragrant...

Book  (1994)  Page(s) 112.  
 
Miss Pam Ayres Description... clusters of yellow flowers turning red as they mature...

Book  (Apr 1993)  Page(s) 59.  
 
Bonanza® Shrub, yellow tipped red, 1982, (KORmarie; 'Miss Pam Ayres'); Seedling x 'Arthur Bell'; Kordes, W. Description.

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

This reference may, in fact, be for the ''Toynbee Hall'  KORwonder rose]

Book  (1984)  Page(s) 61.  
 
E. F. Allen, Awards To New Rose Seedlings In Great Britain In 1983.
'Bonanza, KORmarie (seedling x 'Arthur Bell'), a shrub by Kordes, with quite gay flowers of a yellow and pink blend. It has practically no scent but has shown good rain resistance. Trial Ground Certificate.