Book  (1936)  Page(s) 171.  
 
Coquerel, Athanase (Bourbon) Pradel 1853; reddish violet, medium size, double, growth 7/10.

Book  (1899)  Page(s) 15.  
 
Athanase Coquerel, Bourbon, Pradel, 1853, violet rougeâtre

Book  (1880)  Page(s) Annex, p. 12.  
 
Bourbon. Athanase Coquerel (Pradel, 1853), reddish violet, medium size.

Book  (1854)  Page(s) 275-277.  
 
Translation:
Perhaps one or the other lover of ever-blooming roses will thank me if I share the list of those I can recommend from personal acquaintance, regardless of age or novelty. Such are,...4) Ile Bourbon roses: ...Athanase Coquerel...

Magazine  (1 Nov 1853)  Page(s) 244.  
 
Roses Nouvelles
Par MM. PRADEL, horticulteurs, à Montauban (Tarn-et-Garonne):
Ile-Bourbon.
21. Athanase Coquerel, fleurs moyennes, en bouquet, et bien imbriquées, rouge violacé.