In 1944 Kolkman died in the Buchenwald concentration camp, although other sources mention Majdanek.
Although other sources mention Majdanek. In 1944 Kolkman died in the concentration camp Buchenwald.
In 1944 Kolkman died in the concentration camp Buchenwald. Although other sources mention Majdanek.
In 1944 Kolkman died in the concentration camp Buchenwald. Although other sources mention Majdanek.