Book  (1964)  Page(s) 29.  
 
...among these creations [of Walter], we count 'Rösel Dach', 'Louise Walter' as Polyantha-Roses; 'Leon Lecomte' a Gallica; 'Ida Clemm', 'Madeleine Seltzer', 'General de Voulgrenant', three ramblers; among Hybrid Teas: 'Adèle Frey'...

Book  (1936)  Page(s) 388.  
 
Klemm, Ida (multiflora) Walter 1906; sport of Crimson Rambler; pure white, double, lasting, large clusters, otherwise like Crimson Rambler, Sangerhausen

Book  (1933)  Page(s) 187.  
 
IDA KLEMM. L. Walter, 1907. Excellent Multiflora with snow-white flowers.

Website/Catalog  (1929)  Page(s) 52.  
 
Hardy Climbing Roses
Ida Klemm. Hybrid Multiflora. (Walter, 1907.) Buds and flowers of snowy whiteness, borne most profusely in gigantic trusses; medium size and very long lasting. Plant of strong, healthy habit and entirely hardy.
Early to midseason. One of the hardiest Roses with a good, clean color.

Website/Catalog  (1926)  Page(s) 21.  
 
Ramblers. Multiflora. Ida Klemm (Walter 1907). Grand clusters of quite large, semi-double bright white blooms with conspicious yellow stamens. Very large foliage, glossy dark green, totally healthy, infinitely floriferous, totally hardy, extraordinarily magnificent variety, also as she blooms as the last white Multiflora.

Website/Catalog  (1914)  Page(s) 4.  
 
Once-blooming climbers. Ida Clemm (multiflora), White Rambler, long lasting; very hardy, floriferous

Magazine  (Oct 1906)  Page(s) 84.  
 
Breeder: L. Walter; Seller: P. Lambert.
Ida Clemm (climber). White Rambler. Large, dense trussesof snow-white blooms, long lasting; very vigorous growth, totally hardy and very floriferous.