277. Sefer Yesod ʿOlam Creator: Author: Israeli, Isaac ben Joseph Date: 1401–1450 Language: Hebrew Geographic region: Southern Italy? or Byzantium?
278. Sefer baʿale ha-nefesh Creator: Author: Abraham ben David, of Posquières Date: 1201–1300 Language: Hebrew Geographic region: Provence?
279. Sefer ha-Agudah Creator: Author: Alexander Suslin, ha-Kohen Date: 1325–1375 Language: Hebrew Geographic region: Ashkenaz
280. Sefer ha-Batim (Responsa) Creator: Author: Adret, Solomon ben Abraham Date: 1476–1500 Language: Hebrew
282. Sefer ha-Manhig Creator: Author: Abraham ben Nathan, ha-Yarḥi Date: 1401–1425 Language: Hebrew Geographic region: Italy
283. Sefer ha-Mitsṿot Creator: Author: Maimonides, Moses Date: 1276–1277 Language: Judeo-ArabicHebrew Geographic region: Orient
284. Sefer ha-Pardes Creator: Author: Asher ben Ḥayim Date: 1351–1400 Language: Hebrew Geographic region: Spain or Provence
285. Sefer ha-Yuḥasin Creator: Author: Zacuto, Abraham ben Samuel Date: 1526–1535 Language: Hebrew Geographic region: Jerusalem?
287. Sefer ha-ʿIbur Creator: Author: Ibn Ezra, Abraham ben Meïr Date: 1526–1575 Language: Hebrew Geographic region: Provence?
288. Sefer mitsṿot gadol Creator: Author: Moses ben Jacob, of Coucy Date: 1301–1325 Language: Hebrew Geographic region: Ashkenaz