Forms part of the Claims Conference International Holocaust Documentation Archive at the United States Holocaust Memorial Museum. This archive consists of documentation whose reproduction and/or acquisition was made possible with funding from the Conference on Jewish Material Claims Against Germany. From the T︠S︡entralen dŭrzhaven arkhiv (Central State Archives), Bulgaria, Fond 1240, Opis 1. The United States Holocaust Memorial Museum International Programs Division acquired the microfilming of the records in 1998.The Museum Archives received the microfilm in May 1999.