Book  (1936)  Page(s) 608.  
 
Richardier, Mme. C. (HT) Richardier 1924; cadmium-yellow, base sometimes pink, fades to light yellow, large, double, fine form, floriferous, repeats well, growth 6/10. Sangerhausen

Book  (1926)  Page(s) 183.  
 
Mme. C. Richardier Hybrid Tea (C. Richardier, 1924)... cadmium-yellow, passing to clear yellow with age, sometimes tinted with rose at base...