1. ^{{cite web |url=https://globalvoices.org/2015/02/06/the-ustashi-legacy-remembering-the-childrens-concentration-camp-in-sisak/ |title=The Ustashi Legacy: Remembering the Children's Concentration Camp in Sisak |last=Matejcic |first=Marinella |date=6 February 2015 |website=globalvoices.com |publisher=Global Voices |access-date= 3 March 2018}}
2. ^{{cite web |url=http://www.balkaninsight.com/en/article/ww2-children-s-concentration-camp-commemorated-in-sisak/p%C3%ABrkujtohet-n%C3%AB-kroaci-kampi-i-p%C3%ABrqendrimit-t%C3%AB-f%C3%ABmij%C3%ABve-i-luft%C3%ABs-s%C3%AB-dyt%C3%AB-bot%C3%ABrore |title=WWII Children’s Concentration Camp Remembered in Croatia |last=Milekic |first=Sven |date=6 October 2014 |website=Balkan Insight |publisher=Balkan Investigative Reporting Network (BIRN) |access-date= 3 March 2018 |quote=“We had a similar treatment [in Auschwitz] as children in the Ustasa-German camp in Sisak,” said the Croatian-born Lustig. “They had doctor [Antun] Najzer [the camp’s commander], we had the infamous doctor Mengele,” he said.}}
3. ^{{cite web |url=http://www.jadovno.com/eng-lat-356/articles/istina-i-pomirenje-lat.html |title=Logori u Sisku i Capragu |trans-title=Camps in Sisak and Caprag |language=Serbian |date=2 September 2014 |website=jadovno.com |access-date= 3 March 2018}}
4. ^{{cite book|title=Revolutionary Totalitarianism, Pragmatic Socialism, Transition: Volume One, Tito's Yugoslavia, Stories Untold|url=https://books.google.com/books?id=u3-QDAAAQBAJ|editor1-last=Ognjenović|editor1-first=Gorana|editor2-last=Jozelić|editor2-first=Jasna|year=2016|publisher=Palgrave Macmillan|page=75}}