His publications include: • "Sifrut Yisrael," a Hebrew edition of Steinschneider's "Jewish Literature," with additional bibliographical notes • "Die Beschneidung in der Neueren Zeit" (in Glasberg's "Die Beschneidung," Berlin, 1896) • "Die Abhandlung des Abu Hamid al-Gazzali" (Frankfort-on-the-Main, 1896) • "Katalog der von Fischel Hirsch Nachgelassenen Bücher" (Berlin, 1899) •
Shem Tob ben Joseph Palquera (1910) •
Saadia Gaon: His Life and His Works (1926) •
Treatise Taanit of the Babylonian Talmud He also contributed to "Ha-Maggid," "
Ha-Shiloaḥ," "Mi-Mizraḥ umi-Ma'arab," "Jüdischer Volkskalender," "Deborah," "American Journal of Semitic Languages," and the "Hebrew Union College Journal" and "Annual and "Ha-Toren." ==External links==