Book  (Jan 2000)  Page(s) 79.  
 
Moonstone Herbaceous Peony. Murawska 1943... A blush double, with white outer petals surrounding the pale pink inner ones...

Book  (Jan 1999)  Page(s) 632.  Includes photo(s).
 
Paeonia lactiflora 'Moonstone'

Website/Catalog  (1960)  Page(s) 5.  
 
Light Pink Peonies
Moonstone (Murawska 1942) A tremendously popular, highly impressive mid-season peony. The beauty of the fully double, blush-pink flowers is greatly increased by a reflex shading to a slightly deeper color at the base of the petals. This blending of blush pink and pink gives each blossom a mellow tone such as is found in no other peony. This blending reaches the ultimate degree of perfection when used as a cut flower and exposed to artificial lighting. The strong stiff stems also make it a good garden variety. $4.00