Book  (1936)  Page(s) 392.  
 
Krey, Mons. (Provins) in Düsseldorf ? ; dark carmine to dark garnet, mixed with velvety violet, medium-size, large, elongated, growth 7/10

Book  (1899)  Page(s) 132.  
 
Monsieur Krey, Provins, (Dusseld.), carmin et violet

Book  (1880)  Page(s) Annex, p. 97.  
 
gallica, Monsieur Krey (Düsseldorf), dark carmine with velvety violet, medium-size, double

Book  (1880)  Page(s) Annex, p. 67.  
 
gallica, Krey, M., dark carmine with velvety violet, medium-size, double

Book  (1858)  Page(s) 216.  
 
Rosa gallica.
M. Krey, Blumen mittelgroß, gefüllt, dunkelcarmoisin mit sammetigem Violet.

Translation: Rosa gallica.
M. Krey, the medium-sized, double blooms are a deep crimson with velvety violet.

Book  (1850)  Page(s) 11.  
 
Rosa Gallica.
225 Mr. Krey, dunkelcarmoisinsammt mit violet und Scharlach-Schimmer...20 Sgr.