16:54:14
His magnum opus is Taharat Yom Tov, in ten volumes (Brooklyn, New York, 1948 and 1963-1971), dealing with family purity. He published Yesod Yosef, by R. Joseph ben Solomon HaDarshan of Posen, an ethical treatise on sexual purity, with his own commentary, and a commentary on the Mishnah, Zera Yitzhak, by R. Isaac Chajes (Brooklyn, New York, 1960), with the genealogical details of the author.
בשנת ולירושלים עירך ברחמים ת'ש'ו'"ב' [תש"ח]. [1], לב, קעו עמ'. שער-מעטפת. עמ' קסח-קעב: הערות מאת ר' מאיר גרינבורג.