the New York-controlled subsidiary in Warsaw, not the German subsidiary. Watson Business Machines operated a punch card printing shop near the Warsaw Ghetto. The punch cards bore the indicia of the German subsidiary Dehomag. Leon Krzemieniecki, the last surviving person involved in the administration of the rail transportation to Auschwitz and Treblinka, stated he knew the punched card machines were not German machines, because the labels were in English. Income from the machines leased in General Government was sent through Geneva to IBM in New York. See also International subsidiaries of IBM History of IBM IBM during World War II References Further reading Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition. Anita Ramasastry. A Swiss court allows Gypsies' Holocaust lawsuit to proceed. CNN, 2004-07-08. External links Former IBM subsidiaries Companies involved in the Holocaust Technology companies established in 1910 German companies established in 1910 Portmanteaus