No. 613 Squadron RAF | ARC ''Juan Ricardo Oyola Vera'' (NF-613) |
Rabbi David ben Aryeh Leib of Lida (c.1650-1696) wrote works of rabbinic literature, including Sefer Shomer Shabbat and books on the 613 Mitzvot, bris milah, the Shulchan Aruch, the Book of Ruth, and Jewish ethics (Divrei David, 1671).