Columbia subject headings:
Harvard subject headings:
Hasidim--Poland--Kock--Biography.
Kock (Poland)--Biography.
Menahem Mendel, of Kotsk, 1787-1859.
Rabbis--Poland--Kock--Biography.
Princeton subject headings:
Hasidim--Biography.
Menahem Mendel, of Kotsk, 1787-1859.