Website/Catalog  (1956)  Page(s) [2].  
 
Japanese Tree Peonies
Suisho Haku (Clear crystal white) Fine crystal white semi-double...$8.00

Book  (1928)  Page(s) 267.  
 
Tree Peony Check List
*Suisho-haki. (Japan, 1919.) Yokohama 1919.

The varieties marked (*) are believed to be in commerce or in existence at the present time.

Book  (1907)  Page(s) 201.  
 
2336. SINSHOHAKU; P. moutan.
(1) 1903, Jap. Cat. Fewkes' MSS.