Book  (1907)  Page(s) 70.  
 
700. *D'HOUR, MME.; P....(Calot, 1864)
(1) 1864, Dessert's MSS.
(2) 1885, Revue Horticole, p. 31.
(3) 1906, Dessert's Cat. p. 20.
(4) Cornell Plots Nos. 465, 466, 467, 468.
(5) *1905, American Florist, p. 989.

*One star before the name indicates that the variety has been pictured in the reference that is also starred.

Magazine  (16 Jan 1885)  Page(s) 31.  
 
Choix de Pivoines Herbacées de Premier Ordre. [par MM. Eugene Verdier et Edouard André]
*Madame d'Hour (Calot). Fleur extra-grande, rose très-tendre bien bordé de blanc.

Translation: the very large flower is a very delicate pink edged white. The varieties marked * should not be missing from any well-appointed garden.

Website/Catalog  (1871)  Page(s) 255.  
 
Pivoines Herbacées.
Nouveautés.
193. Madame Dhour (Calot).
Rose vif bordé blanc.