Book  (Jan 2000)  Page(s) 235.  
 
Dare Devil Hybrid Tree Peony (Saunders 1948). A single red hybrid

Article (magazine)  (Jan 1955)  Page(s) 25.  
 
Varieties Raised in America. All by Professor Saunders...
The "Black Pirate Group." Crimson to very dark, almost black maroon, single to double...
'Daredevil,' (1948)

Article (magazine)  (Jan 1955)  Page(s) 57.  
 
Alphabetical Check List of Tree Peony Names In  Public Collections And/or Available in Nurseries 1954-1955
Lutea hybrid, Scarlet, 'Daredevil' (Saund. 1948), [Gardens] Scott Foundation, Morton Arboretum

Magazine  (Mar 1954)  Page(s) 22.  
 
Hybrid Tree Peonies
...By far the most important work with these hybrids has been done by Prof. A. P. Saunders and his originations now number about 80. Their color range is truly remarkable. [...]
The list of hybrid tree peonies following is up to date as far as we could make it.
Originations of A. P. Saunders, Clinton, N.Y.
Hybrids of suggruticosa, lutea and Delavayi.
Daredevil, Single, bright garnet red. 1948.

Book  (1944)  Page(s) 104.  
 
For next year 1945
Make a master list of tree peonies to be grafted & check them off as done.
For 1944
...Daredevil 14344 10+4+4 [grafts]

Book  Page(s) 59.  
 
Daredevil # 14344 L.D. [lutea delavayi] x pink t.p. [tree peony] in 20 now 7
Boston 1940 Color of Red Jade but a different kind of flower. Dark; on the scarlet end.
1940 5 graft in 5(8) Failed 4 [in] 8(16)
1941 0 in 5(8) 0 in 8 (16)
1942 5.7 1 small Very floriferous, dark red, white on edges. Not much finish but one of the best reds we have. Graft...
1944 1 plant in 5.7....Very fine...

Book  Page(s) 11.  
 
14344 Boston 1940 Color of Red Jade but a different kind of flower. Dark. on the scarlet end. "Daredevil"
1940 5 grafts in 5(8) 4 in 8(16)