Dov Yosef | Karō | Beit Yosef | Yosef Chaim | Yosef Carmon | Shmuel Yosef Agnon | Shlomo Yosef Zevin | Yosef Yitzchak Jacobson | Yosef Tunkel | Yosef Hayyim | Yosef Haim Brenner | Yosef Garfinkel | Yosef Eliyahu Henkin | Murder of Koby Mandell and Yosef Ishran | Mount Abuna Yosef | Karo |
The book "Toldot Yitzhak" (‘The Offspring of Isaac’), by Yitzhak Karo, Yosef Karo's uncle, offers the meaning of this custom of writing ב"ה (B"H), at the top of every letter, with accordance to the biblical verse: "In all thy ways acknowledge Him, and He will direct thy paths" (Book of Proverbs 3:6).