Sefer Ha-Matzref, comments and enquiries in question and answer format, on Halachah, Aggadah, religion and wisdom, on rules of the Hebrew language and the Aramaic language. By Rabbi Moshe Kunitz of Ofen, author of the book "Ben Yochai". Prague, 1857. With author's portrait.
The author, Rabbi Moshe Konitz (1834-1839). Rabbi in Open and Budapest. He was a disciple of the Noda BiYehuda and Maharan Mintz. He was a controversial figure, as he was both a Rabbi great in Torah knowledge as well as an Enlightenist fluent in secular studies. See item 156.