Article (magazine)  (Jan 1955)  Page(s) 56.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Japanese, Crimson, 'Anyano-hikare' (Light in Darkness), (Jap. before 1926), [Gardens] Scott Foundation, [Nurseries] William Gratwick, Oberlin Peony Gardens

Website/Catalog  (1939)  Page(s) [1].  
 
Tree Peonies (Pæonia arborea)
Japanese Tree Peonies 
English translation in parentheses
29. Anya-no-Hikari (The light in the dark night). Brilliant blackish crimson; large double bloom... $10.00