Book  (1936)  Page(s) 729.  
 
de Verdun, Marquise (HP) Oger 1868; vivid carmine-pink, large, double, globular, growth 7/10. Sangerhausen

Book  (1906)  Page(s) 118.  
 
7.654. Marquise de Verdun, Hybride Remontant, Oger 1868 carmin 

Book  (1885)  Page(s) 5, appendix.  
 
Additions et Corrections. Tome Second
Ajoutez [p.125]:
Hybride remontant. Marquise de Verdun. Oger 1868.
Arbuste vigoureux; fleur grande, pleine, globuleuse; coloris rose carmin vif.

Translation: Additions and Corrections. Volume Two.
Add [to p.125]:
Hybrid Perpetual. Marquise de Verdun. Oger 1868.
A vigorous shrub; the flower is large, full, globular and of a vivid carmine pink color.