Book  (Jul 1998)  Page(s) 231.  
 
Louis van Tyll Belgium (?) before 1846. Habit : Upright shrub of 1,20 m height and 0,90 m width; a few prickles on some branches. Foliage : dark green, somewhat grey; elliptical leaflets which are quite ribbed, often thick. Bloom : in clusters of 2 to 5, medium size, double, cupped; quartered petals; some stamens visible. Colour : mauve-pink at the centre, pinkish white on the periphery. Ages to lilac...Fragrance : very strong. ...This variety was probably bred in Belgium. It is found in the catalogue of Van Houtte (Ghent) from 1846 onwards. The colour is described there as "velvety purple", which ...does not correspond to the colour of the variety currently known under this name.

Website/Catalog  (1968)  Page(s) 24.  
 
LOUIS VAN TYLL. Petites fleurs demi double pourpre clair ombré de noir ou de mauve.

Book  (1858)  Page(s) 214.  
 
Rosa gallica.
Louis van Tilt, Blumen gefüllt, sammetig purpurn.

Translation: Rosa gallica,
Louis van Tilt, the double flowers are a velvety purple.

Website/Catalog  (1848)  Page(s) 42.  
 
Rosiers Provins.
Louis van Tilt, pourpre velouté...1 25 fr.

Website/Catalog  (1846)  Page(s) 61.  
 
Rosiers Provins.
Louis van Tilt...1 50 fr.

Book  (1846)  Page(s) 603.  
 
Rosiers provins.
Louis van Tilt...