Bayit Chadash, Rabbi Sirkis's best known work, is a major commentary on the "Arba'ah Turim" of Jacob ben Asher. The work presents and elucidates the fundamental principles of the Torah as recorded in the Mishnah, the Babylonian and Jerusalem Talmuds, and the chief codes. Rabbi Sirkis also wrote: *"Hagahot haBach" (Glosses of the Bach) - suggestions for textual emendations in the Talmud and Rashi, … Wikipedia
Polish rabbi; born at Lublin in 1561; died at Cracow, 1640. At the age of fourteen he was sent to ... jewishencyclopedia.com/view.jsp?artid=839&letter=S
The definitive Wikipedia entry for Yoel Sirkis. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Yoel_Sirkis