In 1967, he became the director, and then the editor-in-chief, of the Yiddish Atlas Project at Columbia University, which publishes, in conjunction with YIVO, The Language and Culture Atlas of Ashkenazic Jewry (LCAAJ).[1]
Books
Herzog, Marvin I., The Yiddish Language in Northern Poland. Its Geography and History, Indiana Univ., Bloomington, and The Hague, Mouton & Co., 1965.
Herzog, Marvin, et al. ed., YIVO, The Language and Culture Atlas of Ashkenazic Jewry, 3 vols., Max Niemeyer Verlag, Tübingen, 1992–2000, ISBN3-484-73013-7.