Book  (2008)  Page(s) 27, 41.  
 
p. 27: D24 was derived from two cycles of open pollination of the Robert Simonet hybrid ('Red Pinocchio' x ('Joanna Hill' x R. spinosissima altaica)).

p. 41: Graph 4 Parent Roses derived from Robert Simonet's Hybrids...
D24 = D09 x open pollination