Title: Mikhtav meha-Rav ha-Gaʾon Yitsḥaḳ ha-Leṿi Mandel
Subjects: Teachings, Responsa, Eruv, Sabbath (Jewish law), Religious life
Places: New York (State), New York, Borough Park (New York, N.Y.)
People: Joel Teitelbaum
Time periods: 1800-1948