Book  (1942)  Page(s) 136.  
 
Mrs. Wilfred Davis, Missouri. We have two “black” roses: velvety ‘Ami Quinard’, scarce of bloom and almost single; and ‘Temno’, small but very dark, constantly in bloom and perfectly enchanting. ‘Temno’ caused more comment than anything else in our garden.

Book  (1940)  Page(s) 23.  
 
Jan Böhm, Blatna-Cechy, Czechoslovakia. 'Temno'

Book  (1936)  Page(s) 696.  
 
Temno (HT) J. Böhm 1934; Chât. Cl. Vougeot X ?; velvety black-red, medium-size, well double, flat, solitary or up to 3, fragrance 7/10, floriferous, repeats, growth 5/10, short, lanky, Sangerhausen

Book  (1935)  Page(s) 15.  
 
Harry H. Hazlewood.  The New Roses of 1935.
Temno (Bohm, 1933) cannot be distinguished from Yves Druhen, and unless it alters considerably, appears to suggest enquiry as to why it was sent out with a new name.

Website/Catalog  (1935)  Page(s) 43.  
 
New Roses 1935.  Temno (HT. Jan Bohm 1933)  Strong, robust and free branching growth and free flowering habit. Colour in first blooms black, in autumn dark red. Rich fragrance. 4/- each.​
Too much like 'Yves Druhen' on present performances.