Czenstochov; A new Supplement to the Book “Czenstochover Yidn”. Translation of Tshenstokhov; naye tsugob-material tsum bukh “Tshenstokhover Yidn”. Edited by: S. D. Singer Published in New York, 1958; https://www.jewishgen.org/yizkor/czestochowa/Czestochowa.html