Book  (1936)  Page(s) 68-69.  
 
Article entitled, "Another Rouletti," describes how Jan de Vink bred Tom Thumb using Rouletti as seed parent and pollen from F. J. Grootendorst, Gloria Mundi, a yellow HT, a seedling of Tausendschön and other roses.

Photo on page facing p. 72

Book  (1936)  Page(s) 705.  
 
Thumb, Tom (Lawreanciana) de Vink 1935; = Peon.

Book  (1936)  Page(s) 552.  
 
Peon (Lawrenciana) de Vink 1935; seedling or sport of R. Rouletti; dark crimson, center and petal ends white, very small, semi-double, very short habit, like Rouletti, In America: Tom Thumb.