Archive of c. 215 letters (mostly autograph, few typed) all signed, by rabbis and scholars connected to the Rabbinical Seminary of Breslau, and sent to Wilhelm Bacher and Ludwig Blau, the directors of the Rabbinical Seminary of Budapest.

A most interesting trove of scholarly correspondence over a broad era relating to Wissenschaft des Judentums. Among the writers are historians, poets, Zionists, rabbis and scholars of rabbinic and Semitic studies. All manner of topics are discussed: Hebrew and Aramaic philology, manuscript research, inscriptions, publications of monographs, encyclopedias, bibliography, personal relationships, and Jewish communal issues. Included are correspondence from: Micha Josef Berdyczewski, Umberto Cassuto, Arnold B. Ehrlich, David Farbstein, Aron Freimann, Jakob Guttmann, Azriel Hildesheimer, Benno Jacob, Fritz Kahn, George Alexander Kohut, Samuel Krauss, Heinrich Laible, Leopold Lucas, Adolf Salvendi, Sigmund Seeligmann and dozens more. <<List of correspondents available upon request.>>