Book  (1936)  Page(s) 680.  
 
von Steinkeller, Elsa (HT) J. C. Schmidt 1910; Mme. Hoste X Marjorie; coppery pink, center salmon-red, large, very double, fine form, fragrance 7/10, floriferous, continuous bloom, arching canes, growth 7/10

Website/Catalog  (1917)  Page(s) 9.  
 
Else von Steinkeller, coppery rose rose... Schmidt, 1910

Magazine  (3 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...
Else von Stein-Keller... Hybrid Tea, J. C Schmidt, 1910, Mme. Hoste X Marjorie