Book  (1910)  Page(s) 262.  
 
Evergreen Gem Wichuraiana: foliage of great beauty, of a fine bronzy colour. Flowers buff changing to white. This variety, like most of the group, is well adapted for Weeping Standards. They quickly form beautiful and graceful objects for the lawn or drive.

Website/Catalog  (1909)  Page(s) 77.  
 
Evergreen Gem  Cl. Flowers buff in bud, changing to almost white, two to three inches in diameter, double and very sweet, fine foliage. 

Book  (1908)  Page(s) 67.  
 
Wichuraiana Roses.
Evergreen Gem. Manda, 1900. Buff changing to white, double.

Book  (1906)  Page(s) 169.  
 
W. A. Manda, South Orange, New Jersey, introduced in 1897 and 1899 a number of very distinct climbing roses, with R. Wichuraiana as one parent. They are practically evergreen.
Evergreen Gem, colour buff, changing to almost white, sweetbrier perfume.

Website/Catalog  (1903)  Page(s) 133.  
 
Wichuraiana Hybrids
Evergreen Gem Flowers buff in the bud, changing to chreamy white; very double, 2 to 3 inches in diameter; foliage dense, of a rich, bronzy green.

Book  (1902)  Page(s) 161.  
 
Rosa Wichuraiana
6233. Evergreen Gem....(Manda 1898), blanc

Book  (1902)  Page(s) 8.  
 
...while Evergreen Gem, whose pollen parent was the pale yellow Tea Madame Hoste, is quite a large flower and deliciously scented. Many a garden has uninteresting turf banks between two levels. Here is one of the most obvious places to use these charming Roses, which are beautiful not only for their blossom, but for the close growth of their neat glossy foliage.

Website/Catalog  (1901)  Page(s) 36.  
 
Evergreen Gem  Each $ 1 00 Dozen $ 10 00

Website/Catalog  (Apr 1899)  Page(s) 22.  Includes photo(s).
 
New Evergreen Roses ....
Evergreen Gem. (Wichuraiana X Madame Hoste). The most wonderful grower of the set. Foliage, fine rich bronze color, closely matted. Flowers produced singly on stems, yellow, buff in bud, opening to almost white, two or three inches in diameter, perfectly double, and of a delightful sweetbriar fragrance. (See cut.) Young plants in 2-inch pots, 50 cts. each; $4.50 per dozen ; $30.00 per 100. Strong one-year-old plants, $1.00 each ; $10.00 per doz. (Ready March 25th.)

Magazine  (24 Sep 1898)  Page(s) 402.  
 
Deux nouvelles Roses hybrides Rose Evergreen Gem (R. Wichuriana X M^me Hoste) et Rose Gardenia (R. W. X Perle des Jardins) ont été obtenues par M. W. A. Manda de South Orange — New Jersey — U. S. A. ....
Evergreen Gem (R. W. x M^me Hoste) est une fleur blanche double, dense, poussant vite.