Book  (1936)  Page(s) 658.  
 
Senator (HT) Geiger, Florex Gardens 1926; Red Columbia X Premier; glossy scarlet, very large, very double, high-centered, lasting, solitary, fragrance 7/10, floriferous, continuous bloom, growth 7/10, upright, bushy. Sangerhausen

Website/Catalog  (1928)  Page(s) 38.  
 
New Roses 1927. Senator HT. (Florex 1926) 2. .....Sweet. Everywhere. 

Website/Catalog  (1927)  Page(s) 31.  
 
New Roses 1927. Senator (HT. Florex) A seedling from 'Premier' x 'Red Columbia'. Dark scarlet without any trace of blue. Long pointed buds of wonderful fragrance. Some good blooms have been noted here, and its further performances are being awaited with interest. 5/– each.

Book  (1926)  Page(s) 186.  
 
Senator Hybrid Tea. (Florex Gardens, 1926.) 'Red Columbia' x 'Premier'. Type, 'Hadley'... long lasting, brilliant scarlet...