Columbia subject headings:
Levin, Ruvin, 1816-1887.
Meir Simḥah, ha-Kohen, of Dvinsk, 1843-1926.
Harvard subject headings:
Levin, Ruvin, 1816-1887
Meir Simḥah, ha-Kohen, of Dvinsk, 1843-1926.
Princeton subject headings:
Levin, Ruvin, 1816-1887.
Meir Simḥah, ha-Kohen, of Dvinsk, 1843-1926.