Leading Rabbis throughout the Generations on the Preservation of Minhag Ashkenaz (Hebrew) (2nd, expanded edition)
Leading Rabbis throughout the Generations on the Preservation of Minhag Ashkenaz (English)
The Ashkenaz Tradition: Volumes 1–3 (Hebrew)

Guide to Minhag Ashkenaz (Hebrew)
Guide to Minhag Ashkenaz (English)
Ashkenaz Jewish Law and Practice (Hebrew)

Minhag Ashkenaz Siddur (Hebrew)

The New is Forbidden by the Torah (Hebrew)
From Frankfurt to Pressburg (Hebrew)
Torah and Chassidus According to the Philosophy of the Chasam Sofer: Volumes 1–2 (Hebrew)

The Rabbinical Seminary in Berlin (Hebrew)
The Ashkenaz Yeshivos (Hebrew)
The Yeshivos of Germany (Hebrew)
Minhagim of the Land of Israel from the Days of Chazal through the Present Time (Hebrew)
Minhagim of the Synagogues of Central Europe and England (Hebrew)
Minhagim of Padua (Hebrew)
False Messiahs and their Opponents (English)
The “Nesinah LaGer” (Rabbi Nosson Adler of London) and his Contemporaries (Hebrew)
Rabbi Shimon Ginzburg's Minhag Guide in Yiddish (Hebrew)
Rabbi Avraham Broide: The Leader of Roshei Yeshiva in his Generation (Hebrew)
Rödelheim: The Life's Work of Rabbi Wolf Heidenheim (Hebrew)