Website/Catalog  (4 Jan 1999)  Page(s) 22.  Includes photo(s).

Book  (Dec 1998)  Page(s) 391.  
 
Marchioness of Londonderry Hybrid Perpetual. Dickson (UK) 1893. Seedling of 'Baronne Adolphe de Rothschild'... ivory white suffused with pink

Book  (Sep 1993)  Page(s) 272.  Includes photo(s).
 
Hybrid Perpetual, Dickson, Alexander II. Parentage unknown. A fine bloom of 'Marchioness of Londonderry' can be up to 20 centimetres (8 inches) wide … named for a patron and neighbor of the raiser. Description. Repeats. Fragrant.

Book  (Apr 1993)  Page(s) 354.  
 
Hybrid Perpetual (OGR), light pink, 1893, Dickson, A. Flowers pale pink, full (50 petals), high-centered, very large; fragrant; very vigorous growth.

Book  (Jun 1992)  Page(s) 140.  
 
Marchioness of Londonderry
Hybrid Perpetual
A. Dickson 1893
Possibly a seedling of 'Baronne Adolphe de Rothschild'
... ivory-white tinted with rose... fragrant... greyish-white...very pure ivory-white...lightly perfumed...

Website/Catalog  (1984)  Page(s) 18.  
 
Hybrid Perpetual Roses
Marchioness of Londonderry (1893)
A light pearly pink bloom of tremendous size crowns a long stem. The growth is very vigorous (excellent for pegging) with large, healthy foliage. The bloom is very fragrant.

Book  (1936)  Page(s) 426.  
 
of Londonderry, Marchioness (HP) A. Dickson 1893; Bar. A. de Rothschild X ? (?); ivory-white to pure white, large, well double, globular, high-centered, thick petals, solitary or up to 3, fragrance 8/10, floriferous, repeats well, long upright stems, few prickles, light green foliage, growth 7/10, upright, dense. Sangerhausen

Book  (1906)  Page(s) 114.  
 
7.423. Marchioness of Londonderry, Hybride Remontant, Dickson 1893 blanc pur

Booklet  (1904)  Page(s) 22.  
 
Marchioness of Londonderry ....flowers large and globular.

Website/Catalog  (1904)  Page(s) 22.  
 
New and Rare Hybrid Perpetual Roses.
Marchioness of Londonderry (Dickson & Sons). — Magnificent from every standpoint. Flowers of great size, perfectly formed and carried on very stout, erect foot stalks; color ivory white; petals of great substance; shell-shaped and reflexed; highly perfumed and freeblooming. A vigorous grower with splendid foliage, we might say mildew-proof. Has won numerous prizes, certificates, etc. 40 cts. each.