Article (magazine)  (Jan 1955)  Page(s) 20.  
 
In lilac-rose and pale-rose purple, (Class V III), 'Jitsu-getsu-ko,' 'Hana-no-mikado,' 'Nippon-zakura,' and 'Jinjuden.'

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, Lilac Rose, 'Hana-no-mikado' (Emperor of the Flowers) (Jap. bef. 1926), [Gardens] Scott Foundation