Book  (Dec 2000)  Page(s) 513.  
 
Souvenir de Louis Gaudin Bourbon. Victor Trouillard (Angers, France) 1864

Book  (Jun 1992)  Page(s) 111.  
 
Souvenir de Louis Gaudin Bourbon. Trouillard 1864... purple shaded black... [Author cites information from different sources.]

Book  (1936)  Page(s) 290.  
 
Gaudin, Souv. de Louis (hybrid bourbon) Trouillard 1864; purple, blackish shading, medium size, double, fine form, floriferous, repeats well, autumn-bloomer, growth 8/10.

Book  (1906)  Page(s) 155.  
 
10.056. Souvenir de Louis Gaudin, Ile-Bourbon, Trouillard 1864 pourpre noir

Book  (1882)  Page(s) 34.  
 
Souvenir de Louis Gaudin... Ile-Bourbon. Trouillard. 1864 Rouge pourpre. Fleur moyenne. Plante moyenne.

Magazine  (29 Nov 1864)  Page(s) 427.  
 
The New Roses....Bourbon...Souvenir de Louis Gaudin (Trouillard).- Flowers medium, full, well formed; fine purplish rose, shaded with blush

Magazine  (Nov 1864)  Page(s) 243.  
 
The New Varieties for 1865.
Bourbons.
11. Souvenir de Louis Gaudin (Trouillard). — Medium full, well formed; fine red purple, shaded with black, very free flowering.