Book  (Apr 1993)  Page(s) 99.  
 
Clemence Robert Moss (Old Garden Rose), pink, heavily mossed, 1863, Robert et Moreau...

Book  (1990)  Page(s) 55.  
 
Clémence Robert Moss hybrid. Moreau and Robert 1864. Description.

Book  (1936)  Page(s) 613.  
 
Robert, Clémence (perpetual moss) Rob. & Mor. 1863; varies: bright pink and lilac, large, double, broad, cup form, fine form, cluster-flowered, well mossed, fragrance 8/10, repeats, growth 6/10.

Book  (1899)  Page(s) 37.  
 
Clémence Robert, mousseuse remontane, Rob. et Mor., 1863, rose vif

Book  (1880)  Page(s) Annex, p. 29.  
 
centifolia muscosa bifera. Clémence Robert (Robert & Moreau, 1864), very brilliant pink, passing to lilac, variable in colouring, large, double, cup form, fragrant, perfect form, cluster-flowered, well mossed.

Book  (1874)  Page(s) 134.  
 
NOMENCLATURE DES VARIÉTÉS MODERNES.
Rosiers mousseux remontants.
Clémence Robert, fleur moyenne, pleine, rose très-vif passant au lilas.