Potsdam University Library has a unique, large collection of Judaica, including numerous works in Hebrew and Yiddish. Publications that are not freely accessible online are gradually digitized and made accessible to the public.
Yiśraʾel ben Shabtai <mi-Ḳoznits> / ישראל בן שבתי <מקאזניץ> ; Druḳer, Avraham Yehoshuʿa Heshil / דרוקר, אברהם יהושע העשיל (Ed.) ; (Ed.) ; Avraham Elḥanan ben Mordekhai Daṿid / אברהם בן אלחנן בן מרדכי דוד
[Lemberg] : Verleger A. Druker, 1865 ; Lemberg : Druck des S.L. Kugel, Lewin et Comp., 1865