Book  (1936)  Page(s) 453.  
 
Margat jeune (hybrid china) ? before 1850; crimson, center light garnet, large, double, expanded, fragrance 8/10, foliage bright dark green, growth 8/10, climbing.

Book  (1899)  Page(s) 123.  
 
Margat jeune, Hybride de Bengale, cramoisi

Magazine  (1894)  Page(s) 211.  
 
They were of all colours, passing from the pure white of " Acidalie " to the beautiful fawn colour of " Madame Angelina," through various grades of rose and crimson to " Margat Jeune," "Madame Margat," " Julie de Fontenelle " and others....

Magazine  (1882)  Page(s) 11.  
 
Synonymes....
Charles Souchet....Margat jeune

Book  (1880)  Page(s) Annex, p. 90.  
 
bourbon, Margat jeune, crimson, center darker, large, full, flat cup form, very fragrant.

Magazine  (1876)  Page(s) 483.  
 
Margat Jeune (Bourbon). — Raised by M. Souchet at Bagnolet, near Paris. Sent out in 1846.

Book  (1864)  Page(s) 102.  
 
Bourbon roses...Margat jeune...

Magazine  (1860)  Page(s) 100.  
 
I find, by reading Monsieur Verdier's catalogue, that there are roses which rejoive in two names; viz.,....Charles Sonchet, or Margat Jeune...

Book  (1860)  Page(s) List, p. 10.  
 
Margat Jeune, cupped, Violet-crimson, large, fragrant.

Book  (1854)  Page(s) 275-277.  
 
Translation:
Perhaps one or the other lover of ever-blooming roses will thank me if I share the list of those I can recommend from personal acquaintance, regardless of age or novelty. Such are,...4) Ile Bourbon roses: ...Margat jeune...