29 period vacations/work leave cards of different workers of the IG Farben factory in Waldenburg. These cards contain the information of different workers such as blacksmith and other jobs done in the IG Farben factory in Waldenburg. The information consists of vacations periods and work leave due to illnesses or other causes. Rare items directly from the IG Farben, a company directly involved in crimes against humanity since they used slave laborers from Auschwitz concentration camp