Book  (Oct 2001)  Page(s) 166-167.  Includes photo(s).

Magazine  (1966)  Page(s) No. 164, p. 275.  
 
Clematis (hybrids)...
From France. Plants presented by Andra Girault, Horticulteur-Pepinieriste, Orleans (Loiret). Received Nov. 18, 1959.
...261345. Bagatelle...

Website/Catalog  (1966)  Page(s) 48.  
 
« Bagatelle ». Fleur moyenne mauve clair. Pétales étroits détachés en étoiles. Vigueur bonne.

Website/Catalog  (1931)  Page(s) 31.  
 
Clematis ... Large blooms, less vigorous climbers, approx. 8 to 15 cm bloom diameter.....Clematis Bagatelle, marbled silvery blue and pink, like fritillaria, medium-sized blooms ...2,50 Marks [10] 22,50 [100] 200,--

Website/Catalog  (1924)  Page(s) 106.  
 
Bagatelle (Patens). Bleu argenté clair.

Website/Catalog  (1916)  Page(s) 23.  
 
Especially resistant Clematis
Bagatelle. New! Large floriferous, clear Ageratum-colour [Floss flower] with violet central stripe 1 piece M 2.-, 10 pieces M 18.-