Book  (Apr 1999)  Page(s) 555.  
 
Saarbrücken Lambertiana. Wilhelm Kordes 1959

Book  (Dec 1998)  Page(s) 530.  Includes photo(s).
 
Saarbrücken Modern Shrub. Kordes (Germany) 1959. Description... The large [scarlet-red] flowers of this rose are borne in clusters of up to 20... [the source says this rose is summer-flowering and repeat-flowering...]