Book  (Jan 2000)  Page(s) 238.  
 
Right Royal Hybrid Tree Peony (Saunders 1950). A semi-double yellow and rose hybrid

Magazine  (Sep 1977)  Page(s) 22.  
 
"Botanical Descriptions of 40 Saunders Lutea Hybrids" by Dr. David Reath and Silvia Saunders
...These descriptions aim to provide the nurseryman and the average gardener with a means of determining the differences between the hybrids, many of which are very similar indeed...
Right Royal—About 3 rows, 16 petals, cream-color, overlaid and veined strawberry-red. Gay and unique; unlike anything else. Petals fringed and fluted, and edged strawberry. Flares crimson. Filaments crimson. Stigmas yellow; sheath cream. Occasional petals in the heart. Foliage rather ferny, may be tinged copper or bronzy. This might be in Group 3.

Article (magazine)  (Jan 1955)  Page(s) 25.  
 
Varieties Raised in America. All by Professor Saunders...
The "Banquet Group." Generally reddish, but with yellow undertone, single to double...
'Right Royal,' (1950)

Article (magazine)  (Jan 1955)  Page(s) 59.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Lute hybrid, Yellow with reddish tones, 'Right Royal' (Saund. 1950), [Gardens] Scott Foundation

Book  Page(s) 23.  
 
Right Royal 14333 Same as Daredevil

Book  Page(s) 104.  
 
For next year 1945
Make a master list of tree peonies to be grafted & check them off as done.
...14333 7

Book  Page(s) 11.  
 
14333 Like Dragon Fine dark current color. Center less striking than Dragon but flower wider & flatter..
1940 3 grafts in 9(17)
1942 in 5.7 2 small
1944 Very big ..folds its petals like Pirate but lighter in color Very fine. The largest we have?