Book  (1936)  Page(s) 28.  
 
d'Ansembourg, Comtesse (HT) M. Leenders 1918; Et. de France X Mq. Sinéty; yellowish white, very large, double in 2-5s, lasting, floriferous, long stems, fragrance 7/10; growth 6/10, upright.

Website/Catalog  (1923)  Page(s) 25.  
 
Hybrid Tea Roses .... Comtesse d'Ansembourg (M. Leenders & Co., 1918). A magnificent, very large, full rose; colour washed white, which passes to lemon-yellow and pinkish yellow when expanding. The shrub is vigorous and floriferous.

Book  (1920)  Page(s) 134.  
 
Comtesse d'Ansembourg, H.T. (Leenders & Co., 1918.) Etoile de France X Marquise de Sinety. Type, Kaiserin Auguste Victoria. Bud large, long-pointed; flower very large, full, borne several together, on long stems; very lasting; strong fragrance. Color yellowish white. Foliage abundant, large, glossy dark green. Vigorous upright grower; abundant bloomer.