Yehûdê Pôlîn we-Lîṭâ ʿad šenat 408 (1648) : mevôʾôt û-meqôrôt mevôʾārîm = The Jews of Poland and Lithuania until 1648 (5408) : prolegomena and annotated sources - Ṣîgelman, Šemûʾēl A. (1991)