Article (magazine)  (Jan 1955)  Page(s) 20.  
 
In rose-red to vermilion, (Class III) , there are 'Mikasa-yama,' 'Akashigata,' and 'Ukare-jishi.'

Article (magazine)  (Jan 1955)  Page(s) 58.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Japanese, Rose Red, 'Mikasa-yama' (Mt. Mikasa - Three Hats) (Jap. bef. 1902), [Gardens] Scott Foundation, John J. Tyler Arboretum

Website/Catalog  (1924)  Page(s) 74.  
 
Pivoines en arbre du Japon...Mikasa-Yama.- Riche coloris, rose saumon.

Website/Catalog  (1914)  Page(s) 7.  
 
Paeonia Moutan (Japanese tree peony)
16. Mikasa-yama, Rich salmon-rose petals, with tasselled yellow anthers, 12 [inches across].

Website/Catalog  (1909)  Page(s) 13.  
 
Paeonia Moutan....
45. Mikasa-yama, rich salmon petals, with tasselled yellow anthers.