Book  (2008)  Page(s) 27, 44.  
 
p. 27: E10, a complex hybrid of ((R. kordesii x D07) x 'Champlain').

p. 44: Graph 7 Bush roses released from L'Assomption, QC...
E10 = L15 X Champlain

Magazine  (1995)  Page(s) 146.  Includes photo(s).
 
In an article entitled "'George Vancouver' Rose" by Ian S. Ogilvie and Neville P. Arnold, of Agriculture Canada, L'Assomption, Quebec, in HortScience (1995) 30(1), p. 146, the pedigree of 'George Vancouver' appears as Figure 1.