Book  (1936)  Page(s) 100.  
 
Bourquin, Jules (tea) Chauvry 1893; Gl. de Dijon X ? ; chrome-yellow, reverse lilac, whitish edges, very large, double, fine form, floriferous, continuous bloom, strong branches, growth 7/10, climbing.

Book  (1902)  Page(s) 72.  
 
Thé. 1547. Jules Bourquin (Chauvry 1892), jaune et lilas

Book  (1899)  Page(s) 87.  
 
Jules Bourquin, thé, Chauvry 1892, jaune et lilas