ISAAC HA-KOHEN OF OSTROG:
Russian rabbi; lived in the sixteenth and seventeenth centuries. He was the author of a work entitled "Mattenot 'Ani," or "Ḳiẓẓur Mizraḥi," a compendium of Elijah Mizraḥi's commentary on Rashi, with notes (Prague, 1604-09).
- Fürst, Bibl. Jud. ii. 143;
- Steinschneider, Cat. Bodl. col. 1130;
- Zunz, Z. G. p. 282.