London: Soncino Press, 1962. Reprinted 2002 Originally published as Horeb, Versuche über Jissroel's Pflichten in der Zerstreuung. Germany, 1837.
This book was first published in Germany in 1837 under the title "Horeb, Versuche über Jissroel's Pflichten in der Zerstreuung". It was reprinted in London by Soncino Press in 1962 and again in 2002.