Article (magazine)  (Jan 1955)  Page(s) 56.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Japanes, Scarlet, 'Adzuma-sibori' (Dappled Pattern of the East), (Jap. bef. 1909), [Nurseries] Oberlin Peony Gardens

Magazine  (Sep 1944)  Page(s) 12.  
 
Tree Peony Supplement to the Manual
John C. Wister, Germantown, Pa.
Alphabetical Check List of Tree Peony Names, August 1944
Japanese Moutan type; Scarlet; ADZUMA-SIBORI 
(Dappled Pattern of the East) 
(Japan, before 1909) Auguste Dessert, Chenonceaux, France, 1909; Chugai Shokobutsu Yen Nursery, near Kobe, Japan, 1929-35; Oberlin 1941, renamed Cardinal 1943.
Name in Large Caps in Black Type indicates accepted names of varieties in American commerce 1944.

Website/Catalog  (1939)  Page(s) [1].  
 
Tree Peonies (Pæonia arborea)
Japanese Tree Peonies 
English translation in parentheses
27. Adzuma-Shibori (Variegation of Adzuma). Large; full double; fine scarlet with white splashes... $8.00

Website/Catalog  (1914)  Page(s) 7.  
 
Paeonia Moutan (Japanese tree peony)
1. Adzuma-shibori, Large single crimson petals shading scarlet fringed white with yellow base, 9 [inches across].

Book  (1907)  Page(s) 31.  
 
233. AZUMA SHIBORI; P. moutan.
(1) 190 3, Jap. Cat. Fewkes' MSS.