Book  (1936)  Page(s) 55.  
 
Le Bason, Yvonne (HT) Mosainville 1909; ?

Magazine  (19 Aug 1911)  Page(s) 404.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Yvonne le Baron... Hybrid Tea, Morainville, 1909, Captain Christy X Souvenir de la Malmaison