Book  (1936)  Page(s) 415.  
 
Léthé (HP) Rose Vilin 1901; fire-red, shaded amaranth, very large, very double, growth 7/10, bushy

Book  (1906)  Page(s) 90.  
 
5.818. Léthé, Hybride Remontant, Vilin 1901 rouge ombré amarante