Book  (1936)  Page(s) 435.  
 
Luxembourg, Grand-Duc Héritier Guillaume de (tea) Soup. & Nott. 1892; Cath. Mermet X G. Schablikine; silvery salmon, shaded delicate pink, center yellowish, large, double, flat, imbricated, petal edges broad, opens, floriferous, growth 7/10 = [similar to] Franz. Krüger.

Book  (1931)  Page(s) 162.  
 
[Lijst der Voornaamste Synoniemen] Mlle Franzisca Krüger, Nabonnand, 1880, Thee, is Grand Duc Hér. Guill. de Lux., Soup.-Nott., 1892.

Magazine  (17 Jun 1911)  Page(s) 290.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Grand Duc Herit. G. de Luxembourg... Tea, Soupert, 1892, Catherine Mermet X General Schablikine

Website/Catalog  (1907)  Page(s) 29.  
 
Grand - Duc hérit. Guillaume de Luxembourg (Soupert & Notting 1892) silvery salmon, shaded soft pink, center yellow

Book  (1902)  Page(s) 72.  
 
Thé. 1496. Gd.-Duc hérit. Guillaume de Luxembourg, (Soupert 1892), saumon nuancé

Book  (1899)  Page(s) 74.  
 
Grand Duc hérit. Guillaume de Lux., thé, Soupert, 1892, saumon nuancé

Magazine  (15 Jan 1892)  Page(s) 13.  
 
Roses Nouvelles. Rosiers thé.... Grand-duc héritier Guillaume de Luxembourg (Soup. et Nott.). Grande fleur laque argenté nuancé rose centre jaunâtre. Recommandé pour le forçage.