Website/Catalog  (1956)  Page(s) [1].  
 
Japanese Tree Peonies
Hodai (Reign of Chinese Emperor) Large semi-double, rose-red...$8.00

Article (magazine)  (Jan 1955)  Page(s) 57.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Japanese, Rose Red, 'Hodai' (Reign of Chinese Emperor Ho), (Jap. bef. 1931), [Gardens] Scott Foundation, [Nurseries] Oberlin Peony Gardens

Website/Catalog  (1949)  Page(s) 37.  
 
Peonies
Rare Tree Peonies (Nov. delivery)
Japanese Varieties. $8.50 each
Hodai (Reign of Chinese Emperor). Rose-red; immense full double. Very popular.