Book  (1928)  Page(s) 249.  
 
Tree Peony Check List
† Bella. (China, Fortune, 1846.) The Garden, January 10, 1885.

† Never widely distributed.

Book  (1907)  Page(s) 34.  
 
273. BELLA; P. moutan...(Fortune )
(1) 1885, The Garden, Vol. 27, p. 33.

Magazine  (10 Jan 1885)  Page(s) 33.  
 
Tree Pæonies.
By way of reply to Mr. Frank Miles, who seeks information respecting Tree Pæonies, I send you herewith the names of the original Chinese varieties, all or most of which were introduced by Fortune:
Bella... 

Website/Catalog  (1873)  Page(s) 61.  
 
Paeonia arborea. Pivoines en arbre.
3. Bella. Sehr schön, dichtgefüllt; purpurroth, rosa untermischt. Fleur très-large et bien double, carmin pourpre, nuancé de rose...4 fr.

Website/Catalog  (1860)  Page(s) 86.  
 
Zierstraeucher und Baeume.
Paeonia Moutan...
—Bella...50 Ngr.