The wedding of Bucco and Klara Kohen 1915 Bucco Kohen 1919 David Kohen in the Youth's School Temperance Society 'Strong Call' 1935 David Kohen in the Jewish religious class 'Shar Hatorah' 1937 David Kohen in the Maccabi camp in the village of Boykovo 1939 David Kohen in the Maccabi camp in the village of Boykovo 1939 David Kohen with members of the 'Poor Student' Club in Varna 1939 David Kohen with members of the 'Poor Student' Club in Varna 1939 David Kohen in the Maccabi summer camp 1940 David Kohen at a Maccabi conference in Plovdiv 1940 Duchess Nadezhda station near Haskovo 1942 David Kohen in Haskovo with friends 1943 David Kohen in the forced labor camp near Svilengrad 1943 David Kohen in the forced labor camp in Haskovo 1943 David Kohen in the forced labor camp in Smyadovo 1944 David Kohen with his brothers Aron and Leon Kohen and their father Bucco Kohen 1974 David Kohen giving a speech at the Bulgarian Academy of Sciences 1977 David Kohen at the reunion of Haskovo high school graduates 1983 David Kohen at the 60th anniversary of the liquidation of Jewish forced labor groups 2004 David Kohen at the 60th anniversary of the liquidation of Jewish forced labor groups 2004