Book  (Apr 1993)  Page(s) 163.  
 
Eruption Hybrid Tea, Flowers fiery scarlet-red [mr[, 1934, 'Red-Letter Day' x 'Columbia'; Van Rossem.

Book  (1936)  Page(s) 241.  
 
Eruption (HT) van Rossem 1934; Red-Letter Day X Columbia; fiery scarlet, large, semi-double, floriferous, continuous bloom, light green foliage, growth 7/10, upright, bushy. Sangerhausen

Website/Catalog  (1935)  Page(s) 43.  
 
New Roses 1935.  Eruption (HT.  Van Rossem 1933)....lacks any claim to novelty or improvement.