Book  (Jan 1999)  Page(s) 41.  
 
Paeonia officinalis subsp. officinalis is the robust species from which Europe's earliest garden peonies derived, double red and white forms being described in 1636... usually pink, although red and, more rarely, white forms do occur in the wild

Website/Catalog  (1919)  Page(s) 37.  
 
Paeonia officinalis, single, red...10 pieces M 7.-, 100 pieces M 60.-

Book  (1705)  Page(s) 87.  
 
Pœonia flore simplici purpureo pallidiore. [single, pale red]

Book  (1601)  
 
Pæonia flore carneo