Book  (1956)  Page(s) 131.  
 
Climbers. Indra (Math. Tantau 31), once-blooming, light pink, large bloom, semi-double, 200 cm...

Magazine  (1953)  Page(s) 188.  
 
Indra (Tantau 1937) Climber; Blooms pink, large, well double, floriferous; moderate vigour, ca. 2,5 m tall, also suitable as park rose.

Book  (1939)  Page(s) 207.  
 
Multiflora climbers. Only Tantau is currrently seriously occupied with this breeding and has given the race a new Impetus with the three novelties of autumn 1937, which are also similar in their outer forms, with lush, healthy foliage and large Blooms in flat cup form. The colours light yellow, white and pink expect the increase of the beautiful trio to a quartett by a dark red form. The names of the three are Erato, Euterpe and Indra.

Magazine  (1939)  Page(s) 60.  
 
Indra Large-flowered climber (M. Tantau 1937)

Book  (1938)  Page(s) 239.  
 
Indra. LC. (M. Tantau, 1937.) (Ophelia X R. multiflora) X Florex. Bud long-pointed; flower semi-double, open, very lasting, slightly fragrant, rose-pink, in cluster on long stem. Foliage glossy. Very vigorous, climbing; abundant bloomer in June.

Book  (1936)  Page(s) 6.  
 
Indra (M. Tantau). Same parentage as "Erato" and "Euterpe". Very vigorous plant, with very good, healthy foliage. Blooms flat Cup form, bright pink, in Clusters of up to 20....