Shem HaGedolim
Hagahot Menachem Tzion
Rabbi Menachem Mendel Krengel’s footnotes to Shem HaGedolim.
Hagahot She'erit Tzion
Rabbi Menachem Mendel Krengel’s additions to his Hagahot Menachem Tzion.
Kuntres Peleitat Sefarim
Rabbi Menachem Mendel Krengel’s addendum to Maarekhet Sefarim, with a bibliography of additional works not mentioned in Shem HaGedolim.
Maarekhet Sefarim
Second volume of the Chida’s Shem HaGedolim, structured as a bibliography of rabbinic works.