Columbia subject headings:
Harvard subject headings:
Hasidism--Russia (Federation)--Correspondence.
Rabbis--Russia (Federation)--Correspondence.
Schneersohn, Shalom Dov Baer, 1860-1920
Princeton subject headings:
Hasidism--Russia (Federation)--Correspondence.
Rabbis--Russia (Federation)--Correspondence.
Schneersohn, Shalom Dov Baer, 1860-1920.