Book  (1958)  Page(s) 307.  
 
Président Duhem. Polyantha. (Reymond, '30.) Dbl., bright red. Fol. dark. Vig.; free bloom. (14)

Book  (1936)  Page(s) 223.  
 
Duhem, Président (polyantha) Reymond 1930; glossy wine-red, small, double, large clusters, floriferous, continuous bloom, growth 6/10, short. Sangerhausen