Book  (1997)  Page(s) 181.  
 
Harry Maasz Macrantha. Kordes (Germany) 1939. 'Barcelona' x 'Daisy Hill'. Description and cultivation... flowers: single, large, cherry-red, paling to pink towards centre...

Book  (Apr 1993)  Page(s) 234.  
 
Harry Maasz Large-flowered Climber, crimson, center white, single, 1939, 'Barcelona' x 'Daisy Hill'; Kordes. Description.

Website/Catalog  (1986)  Page(s) 21.  
 

Harry Maasz*..... Makes a good procumbent shrub.

Website/Catalog  (1985)  Page(s) 24.  
 
Harry Maasz* (Rosa Macrantha Hybrid) Large, cupped, single flowers of crimson with white centres. Dark green foliage. Suitable as a climber or procumbent shrub. 1939. P. (S) 8 x 8’.

Book  (1940)  
 
Harry Maasz HMacrantha. (Kordes, '39.) Barlelona x R. macrantha, Daisy Hill. Bud long-pointed; fl. very large, single, open, cupped, slightly fragrant, crimson-lake, with white center; long, strong stem. Fol. large, leathery, wrinkled, dark. Very vig. cl.; profuse bloom, May-June.