Book  (Jan 2000)  Page(s) 161.  
 
Athelstane Herbaceous Peony. Brown 1935. A double pink lactiflora

Website/Catalog  (Dec 1963)  Page(s) 28.  
 
Originations of William Brown, Elora, Ontario, Canada [listed with his obituary]
Athelstane (1938). D. M. Large cup-shaped bloom of an unusual shade of lavender pink carried well above the foliage. The side buds are often as large as the average peony.
All of the above are listed by Gilbert's Gardens, Elora, Ontario, Canada, except Maryan.

Website/Catalog  (1960)  Page(s) 7.  
 
Dark Pink Peonies
Athelstane (Brown 1938) Large, double cup-shaped flowers of unusual lavender pink color. Fragrant. Strong grower with stiff stems. $2.50