«Jan Karski». The Economist. 27. juli 2000. ISSN0013-0613. Besøkt 6. mars 2019. «Jan Kozielewski—he took the nom de guerre Karski when Poland was invaded jointly by the Wehrmacht and the Red Army in September 1939—was a Polish hero of the resistance to both Nazi and communist tyranny, but he will be remembered, above all, as a courageous witness to the Holocaust. He was the first person to inform Anthony Eden, Franklin Delano Roosevelt and other allied leaders, in 1942, of the Nazi extermination camps and to give them a detailed account of the genocide of the Jews.»
Pascal, Julia (14. juli 2000). «Jan Karski». The Guardian (på engelsk). ISSN0261-3077. Besøkt 4. mars 2019. «Disguised as a Jew, in 1942 he entered the Warsaw ghetto to witness the horrors he had heard rumoured. Then, disguised as a Latvian guard, he was smuggled into Izbica Lubelska, a concentration camp between Lublin and Belzec, where Jews were robbed before transportation to a death camp. He saw Jews being burned alive in quicklime.»
Sereny, Gitta (15. oktober 1971). «"Ich war gefangen in der Falle"». Die Zeit (på tysk). ISSN0044-2070. Besøkt 28. april 2019. «Ich wußte natürlich, daß, nachdem die Euthanasieaktion vorüber war, man mit dem Personal irgend etwas anfangen mußte.»
Pascal, Julia (14. juli 2000). «Jan Karski». The Guardian (på engelsk). ISSN0261-3077. Besøkt 4. mars 2019. «Disguised as a Jew, in 1942 he entered the Warsaw ghetto to witness the horrors he had heard rumoured. Then, disguised as a Latvian guard, he was smuggled into Izbica Lubelska, a concentration camp between Lublin and Belzec, where Jews were robbed before transportation to a death camp. He saw Jews being burned alive in quicklime.»
«Jan Karski». The Economist. 27. juli 2000. ISSN0013-0613. Besøkt 6. mars 2019. «Jan Kozielewski—he took the nom de guerre Karski when Poland was invaded jointly by the Wehrmacht and the Red Army in September 1939—was a Polish hero of the resistance to both Nazi and communist tyranny, but he will be remembered, above all, as a courageous witness to the Holocaust. He was the first person to inform Anthony Eden, Franklin Delano Roosevelt and other allied leaders, in 1942, of the Nazi extermination camps and to give them a detailed account of the genocide of the Jews.»
zeit.de
Sereny, Gitta (15. oktober 1971). «"Ich war gefangen in der Falle"». Die Zeit (på tysk). ISSN0044-2070. Besøkt 28. april 2019. «Ich wußte natürlich, daß, nachdem die Euthanasieaktion vorüber war, man mit dem Personal irgend etwas anfangen mußte.»
