Book  (1936)  Page(s) 661.  
 
Séverin, Soeur (tea) Reboul 1892; silvery white, center light sulphur-yellow, large, double, flat, broad petals, center petals fringed, floriferous, glossy green foliage, growth 7/10, short.

Book  (1902)  Page(s) 81.  
 
Thé. 1984. Soeur Séverin (Reboul 1892), blanc soufré

Book  (1899)  Page(s) 163.  
 
Soeur Séverin, thé, Reboul, 1892, blanc soufré