Book  (1936)  Page(s) 559.  
 
Petriakoff, Constantin (HP) Jamain 1878; Jul. Margottin X ? ; vivid cherry-red, darker center, large, double, cup form, floriferous, growth 8/10, robust.

Book  (1906)  Page(s) 40.  
 
2.613.  Constantin Pétriakoff,  Hybride Remontant,  Jamain  1878  cerise

Book  (1885)  Page(s) 232, vol 1.  
 
Hybride Remontant.  Constantin Petriakoff.  Jamain 1878.
Arbuste très vigoureux; rameaux droits, robustes, simplement pourvus d'épines de forme irrégulière; feuillage vert foncé; fleur grande, pleine, forme de coupe; coloris rouge cerise vif, un peu plus foncé au centre.

Translation: Hybrid Perpetual.  Constantin Petriakoff.  Jamain 1878.
A very vigorous plant with strong, straight canes, sparsely furnished with irregularly shaped prickles and deep green foliage; the large, full, cup-shaped flower is of a vivid cherry-red color, somewhat darker in the center.

Website/Catalog  (1885)  Page(s) 1.  
 
New Roses.
Constantin Tretiakoff very bright rosy crimson, shaded with violet a new and brilliant colour, large, full and very sweet, one of the best.

Website/Catalog  (1884)  Page(s) 44.  
 
General Collection Hybrid Perpetual Roses
Constantin Fretiakoff [sic]. — Flowers very large and full; color, bright rosy crimson, beautifully shaded with violet; very brilliant, showy and fragrant.

Book  (1882)  Page(s) 8.  
 
Constantin Petriakoff... Variété à cultiver pour les Expositions de fleurs. Hybride Perpétuel. Jamain. 1877 Cramoisi rosé. Fleur grande. Plante vigoureuse.

Book  (1881)  Page(s) 315.  
 
Of the new varieties of 1877-78 I think most favourably of the following.
Hybrid Perpetuals:
Constantin Tretiakoff...

Magazine  (Aug 1880)  Page(s) 119.  
 
National Rose Society.
Crystal Palace Show.
Nurserymen... The finest of the first-prize blooms were those of... Constantin Tretiakoff...

Website/Catalog  (1880)  Page(s) 233.  
 
Rosiers Hybrides (remontants). Rosa Hybrida.
126.  Constantin Pétriakoff. — Très-grande, pleine, en coupe, rouge cerise très-vif.

Book  (1880)  Page(s) Annex, p. 34.  
 
hybrid perpetual. Constantin Petriakoff (Jamin, 1878), magnificent brilliant cherry-red, darker centre, very large, double, beautifully cupped, very floriferous.