Book  (1936)  Page(s) 91.  
 
Bongini, Eugenia (HT) Ketten 1904; M. Ravary X J. Wesselhöft; golden-yellow, outer petals milk-yellow, medium to large, 3/4-full, flat cup form, fragrance 5/10, floriferous, growth 5/10.

Magazine  (1926)  Page(s) 205.  
 
Eugenia Bongini (Ketten Freres 1904), giallo crema

Magazine  (11 Jun 1911)  Page(s) 266.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Eugenia Bougini [sic]... Hybrid Tea, Ketten, 1904, Mme. Ravary X Johanna Wesselbolt [sic]

Book  (1906)  Page(s) 171.  
 
Roses annoncées pendant l'impression
10.991 Eugenia Bongini, Hybride de Thé, Ketten 1904 jaune

Magazine  (May 1905)  Page(s) 27.  
 
Neuste Rosen für 1905. (Die Beschreibungen sind die der Züchter.)
Züchter: Gebr. Ketten, Luxemburg.
Eugenia Bongini (Tee). Blume goldgelb, äussere Blätter milchfarbig gelb, gross, gefüllt, schalenförmig, langknospig, duftend; fesstielig, reich blühend. (Mme Ravary x Johannes Wesselhöft.)

Translation:
Translation:
New Roses for 1905...Breeder: Gebr. Ketten, Luxemburg.
Eugenia Bongini (Tea). Golden-yellow, outer petals milky yellow, large, double, flat cup form, elongated buds, fragrant; firm stems, floriferous. (Mme Ravary X Johannes Wesselhöft.)

Magazine  (1905)  Page(s) 273.  
 
Eugenia Bongini (Ketten) – Pianta vigorosa, assai fiorifera; fiore grande, pieno, di colore fine, giallo dorato coi petali esterni di un giallo latte. Ottenuta da Madame Ravary e Johannes Wesselhoft

Magazine  (Oct 1904)  Page(s) 153.  
 
Rosiers Nouveaux 1904
MM. Ketten frères, rosiéristes aussi au Grand-Duché du Luxembourg, annoncent quatre nouveautés de leurs semis, pour la vente à partir du premier novembre prochain. Ce sont:
Eugénia Bongini (hybride de thé). — Fleur jaune doré, pourtour jaune laiteux, grande, pleine, en coupe, bouton allongé, odeur fine, pédoncule ferme et dressé. Arbuste vigoureux, très florifère, issu de Madame Ravary x Johannes Wesselhöft.

Translation: New Roses 1904
The Brothers Ketten, also rose growers in the Grand-Duchy of Luxembourg, announce four novelties from their seedlings, to be sent out the first of next November. They are:
Eugénia Bongini (Hybrid Tea). — Large, full cup-shaped flower of a golden yellow with milky yellow edges, buds are elongated, the flower has a fine fragrance and is supported on a firm, erect peduncle. The vigorous shrub is very floriferous, issue of Madame Ravary x Johannes Wesselhöft