Website/Catalog  (1909)  Page(s) 3.  
 
DOUBLE HERBACEOUS PEONIES. SERIES C. 50 cents each
In this series will he found several new ones.
Caroline Allain ? guard petals clear rose, center flesh and salmon.

Website/Catalog  (1908)  Page(s) 23.  
 
Caroline Allain. (Guerin). Beautiful clear rose, somewhat lighter center....Each  .35

Book  (Apr 1907)  Page(s) 21.  
 
104. ALLAIN, CAROLINE, P ( Guerin, 1855 )
(1) 1855, Dessert's MSS.
(2) Cornell Plots Nos. 31, 32.