Book  (1936)  Page(s) 164.  
 
Coeur de Lion (HP) W: Paul 1867; bright pink to white-pink, large, 3/4-full, susceptible when expanding.

Book  (1885)  Page(s) 34.  
 
TRIBE ROSEÆ.
ROSA, Linn.; Rose.
Garden Varieties—
Cœur de Leon; hybrid perpetual. Plant in Brisbane Botanic Garden.

Book  (1882)  Page(s) 7.  
 
Cœur de Lion... Variété recommandée pour l'ornement des jardins. Hybride Perpétuel. W. Paul. 1867 Rose vif. Fleur grande. Plante vigoureuse.

Magazine  (28 May 1874)  Page(s) 423, Vol 26.  
 
MR. WILLIAM PAUL'S ROSES AT THE CRYSTAL PALACE.
Of the Roses that struck me most perhaps Coeur de Lion should be first mentioned, which is, I believe, of Mr. W. Paul's own raising; there was a very fine plant of it, the flower being of a bright fresh rose colour and of good solid substance.

Website/Catalog  (1873)  Page(s) 36.  
 
Hybrid Perpetuals.
Coeur de Leon  Bright even rose colour; large, full, and of exquisite form.

Website/Catalog  (1873)  
 
Hybrid Perpetuals  Coeur de Leon

Book  (1872)  Page(s) 197.  
 
The Hybrid Perpetual.
102. Cœur de Lion (Wm. Paul); flowers bright even rose colour, large, full, and of exquisite form; growth, vigorous.

Magazine  (Jan 1868)  Page(s) 5.  
 
New Roses.
Having grown nearly all tho New Roses sent from France in the autumn of 1866, I think that I may venture to select and describe twenty-four sorts as likely to prove worthy of being added to the most limited collection.
Cœur de Lion, Hybrid Perpetual.: flowers bright even rose colour, large, full, and of perfect form; growth vigorous.
Paul's Nurseries, Waltham Cross, N. William Paul.