Newsletter  (Feb 2010)  Page(s) 39.  
 
Major Chemical Compounds (%) responsible for fragrance in Selected Cultivars....
'Congratulations'  Orcinol dimethylether 67.3

Book  (2000)  Page(s) 175.  Includes photo(s).
 
‘Congratulations /KORlift /’Kordes’ Rose Sylvia’ /’Sylvia’ = Hybride de Thé… buisson sain au large feuillage sombre… fleurs rose saumoné de forme parfaite, au parfum subtil et frais. Solitaires ou en bouquets légers… longs boutons en amphore… grandes corolles à 42 pétales s’évasant sans hâte, idéales en vase sur leur longue tige rigide… Pour obtenir des fleurs plus grosses, supprimer les boutons latéraux. Kordes, Allemagne, 1979. BARB Selection 1977.

Book  (Dec 1998)  Page(s) 175.  
 
Congratulations (KORlift) Description... medium pink blooms [orange-pink]

Website/Catalog  (23 Oct 1998)  Page(s) 10.  Includes photo(s).

Book  (Jul 1996)  Page(s) 22.  Includes photo(s).
 
Congratulations Large-flowered bush (Hybrid Tea) Kordes (Germany) 1978 ('Korlift', 'Sylvia') Description.

Book  (1994)  Page(s) 132.  
 
Congratulations Description... deep pink, very large, high centred blooms... a rose that produces continuous and abundant flowering on very vigorous growth... quite disease resistant...

Book  (Apr 1993)  Page(s) 107.  
 
Congratulations Hybrid Tea, orange-pink, 1979, (KORlift; 'Sylvia'; 'Kordes' Rose Sylvia'); 'Carina' x Seedling; Kordes, W. Description.

Book  (Feb 1993)  Page(s) 179.  Includes photo(s).
 
Congratulations Large-flowered hybrid tea. Parentage: 'Carina' x a seedling. ('Sylvia'; KORlift) Germany 1978. Description. Flowers: delicate rose pink.

Book  (1993)  Page(s) 160.  Includes photo(s).
 
('Congratulations', 'Sylvia') A strong, tall, Floribunda. Good for cut flowers. Kordes (Germany) 1978. ('Carina' x seedling) Flowers continuously. Height: 150 cm (5 ft.) Some scent.

Book  (1986)  Page(s) 22.  
 
Sam McGredy: I am baffled by the fact that Sylvia is listed as a floribunda in England. Reimer Kordes who raised it, lists it as a Hybrid Tea....