Columbia subject headings:
Jews--Russia--Genealogy--Archival resources.
Jews--Russia--History--Archival resources.
Synagogues--Russia--Archival resources.
Harvard subject headings:
Princeton subject headings:
Jews--Latvia--History.
Jews--Lithuania--History.
Judaism--Latvia--Functionaries--History.
Judaism--Lithuania--Functionaries--History.
Synagogues--Latvia--History.
Synagogues--Lithuania--History.