Book  (Jan 2000)  Page(s) 226.  
 
Duchesse de Morny Tree Peony. ex France pre-1955... pink

Book  (Jan 1999)  Page(s) 213.  
 
Duchesse de Morny Tree Peony. France pre-1955. Double pink. A strong plant, often found in old, neglected gardens... luminous mauveish petals, darkening at the base... excellent cut flower...

Article (magazine)  (Jan 1955)  Page(s) 57.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Chines, Lilac Rose, 'Duchess de Morny', [Gardens] Whitnal Park Botanical Gardens