Book  (1958)  Page(s) 229.  
 
Mayor Cermák. HT. (Böhm, '32; int. J&P, '34.) Mrs. Henry Winnett X Vaterland. Large, very dark red, shaded purple. Vig., branching.

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

Book  (1936)  Page(s) 139.  
 
Čermák, Major (HT) Böhm 1932; Mrs. H. Winnett X Vaterland; dark red, shaded purple, stained black, large, double, lasting, growth 6/10, upright, well-branched

Book  (1934)  Page(s) 24.  
 
Harry H. Hazlewood.  The New Roses of 1934. 
Mayor Cermak (Bohm) came from Czecho Slovakia. The blooms carry 60 to 80 petals, but the colour blued fearfully, while the growth was very ordinary.

Website/Catalog  (1934)  Page(s) 35.  
 
New Roses 1934.  Mayor Cermak (HT.  Jan. Bohm 1932) Splendid dark red, very long egg-shaped bud on erect stem. Flower is large dark red with dark spots. Growth vigorous and free branching. Foliage immune from disease. 4/- each.
The colour purples very badly, while growth is only medium.