Book  (Apr 1993)  Page(s) 362.  
 
Martha Lambert Polyantha, Flowers brilliant scarlet with small yellow eye [rb], 1939, 'Frans Leddy' x 'Paul's Scarlet Climber'; Lambert, P.; Conard-Pyle.

Book  (1938)  Page(s) 91.  
 
R.Marion Hatton.  New Roses in America.
From Germany I have only Polyantha. Peter Lambert's Martha Lambert is a strong bushy plant with large clusters of one inch flowers of deep blood red with a white centre. I have an idea the plants will eventually become good-sized shrubs.

Website/Catalog  (1938)  Page(s) 7.  
 
Martha Lambert (hybrid polyantha 36). Very bushy, upright, dense foliage, small bloom. single, in upright trusses of 15-70 on firm stems, velvety blood-red, small yellowish white crown in the center, golden-yellow short densely packed stamens. Very lasting, remarkable by its ember red colour, does not blue, dark green foliage, wood with few but strong prickle, hardy. Good for groups and hedges. 50-90 cm. Honorary Prize of the Town of mainz 1935; Certificate of Merit Rose Trial Garden of the english Nat. Rose Society 1936. (Franz Leddy X Paul's Scarlet Climber).

Magazine  (Dec 1936)  Page(s) 145.  
 
Nouveautés 1936 .... P. LAMBERT, à Trêves. Polyantha hybride.
Martha Lambert. - Puissante végétation, pousse bien droit, peu épineux. Feuillage vert quelque peu ridé et très sain. Panicule très puissante, jusqu'à 100 fleurs en cône tronqué, comme Conrad H. Sôth : couleur rubis étincelant, allant jusqu'au rouge amarante, très remontant. Chaque fleur a deux centimètres de diamètre,