Website / Catalog  (23 Oct 1998)  Page(s) 30.  Includes photo(s).

Book  (Apr 1993)  Page(s) 292.  
 
KORizont Large-flowered Climber, deep pink, red stamens, single, 1985, ('Summer Wine'); Kordes, W. Description.

Book  (Feb 1993)  Page(s) 166.  Includes photo(s).
 
Summer Wine (KORizont) Cluster-flowered climber. Parentage: unknown. Germany 1985. Description and cultivation... large, semi-double flowers are coral pink with red stamens...

Book  (1993)  Page(s) 131.  Includes photo(s).
 
A delicate, attractive, almost single Modern Climber. Kordes (Germany) 1985.