Book  (1999)  Page(s) 204.  
 
Maria Lisa Climber. Liebau 1936... almost thornless. Flower color: rose... one of the 200 roses the author recommends...

Book  (Mar 1994)  Page(s) 99.  Includes photo(s).
 
Maria Lisa Climber. Brümmer 1925/Liebau 1936. Description and vital statistics... bright red, white inside, small, 1/2 to 1 in. (1.5-2.5 cm), single, with an effect like a bright red Rosa multiflora... somewhat vulnerable to frost...

Book  (Apr 1993)  Page(s) 357.  
 
Maria Lisa Rambler, clear rose, center white, stamens yellow, single, 1936, Liebau. Description.

Book  (1936)  Page(s) 455.  
 
Maria Liesa (multiflora) Br. Alfons 1925; bright pink, small, single, lasting, in clusters of 20-80, once very floriferous blooming, long-blooming, no thorns, growth 8/10, climbing, 3m., Sangerhausen