Book  (1936)  Page(s) 604.  
 
René, Petit (hybrid wichurana) Nonin 1925; glossy red, small, very double, lasting, cluster-flowered, fragrance 7/10, once-blooming, long-blooming, short stems, growth 8/10, climbing, 3 m, hardy, Excelsa-type.

Article (misc)  (Feb 1927)  Page(s) 223.  
 
Petit René Hybrid Wichuraiana. (A. Nonin & Son, 1925.) Description... Type, 'Excelsa'... brilliant red...