Book  (1940)  
 
p23. Jan Böhm, Blatna-Cechy, Czechoslovakia. 'Troja'

p241. 'Troja'. T. (Mikes; int. Bohm '27). 'Mrs. Herbert Stevens' sport. Bud long-pointed, cream-yellow; fl. full, fragrant,creamy white. Vig. bushy.

Book  (1936)  Page(s) 714.  
 
Troja (Tea) Mikes 1928 [J. Böhm]; Sport of Mrs. Herb. Stevens; cream-white, medium-size, well double, lasting, fragrance 5/10, floriferous, continuous bloom, growth 6/10, upright, bushy, hardy. Sangerhausen