Website/Catalog  (1938)  Page(s) 18.  
 
Polyantha. Frau Oberhofgärtner Schulze (P. Lambert 09). Upright, well double, deep pink with lihter centre, extraordinarily floriferous.

Book  (1936)  Page(s) 653.  
 
Schulze, Frau Oberhofgärtner (polyantha) Lambert 1909; Euphrosyne X Belle Siebrecht; deep pink, center lighter, small, well double, lasting, upright clusters, very floriferous, continuous bloom, growth 6/10, upright. Sangerhausen

Website/Catalog  (1914)  Page(s) 11.  
 
Polyantha Frau Oberhofgärtner Schultze. Lambert. Upright, well double, deep pink with lighter centre

Magazine  (10 Jun 1911)  Page(s) 278.  
 
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...
Frau Oberhofgärtner Schulze... Perpetual Pompon*, Lambert, 1909, Euphrosyne X Mrs. W. J. Grant

*i.e., dwarf Polyantha

Magazine  (Oct 1909)  Page(s) 94.  
 
Neuste Rosen für 1909. (Die Beschreibungen sind die der Züchter.)
Züchter: P. Lambert, Trier.
Polyantha-Rosen.
Frau Oberhofgärtner Schulze. Strauch äusserst dankbar, niedrig, egal im Wuchs und Blüte, in geschlossenen, gleichmässigen runden Trauben aufrecht über dem Laub blühend. Blume klein, gut gefüllt, nicht leicht abfallend, dunkelrosa mit hellerer Mitte. (Euphrosine X Siebrecht.)