Book  (Apr 1999)  Page(s) 31.  
 
Laffay had a Gallica of 1836 by the same name [under the entry for 'Agar'.]

Book  (1936)  Page(s) 4.  
 
Agar (Provins) Laffay before 1836; vivid cherry-red

Book  (1906)  Page(s) 5.  
 
298. Agar, Provins, Laffay, cerise vif

Book  (1828)  Page(s) 36.  
 
Rosier de Provins.
568 —Agar. (Auteuil, Laffay).

Website/Catalog  (1826)  Page(s) 59.  
 
ROSA gallica.
Agar.