Acharonim
Ahavat Chesed
19th-century work on acts of kindness, such as giving loans to the needy and visiting the sick.
Avodat HaKodesh (Chida)
Seven short 18th-century works of law, custom and ethical instruction.
Moreh BeEtzba
Proper conduct and customs for everyday, Shabbat, and holidays.
Tziporen Shamir
Instructions for prayer and daily conduct.
Kesher Gudal
Laws of tefillin, tzitzit, and prayer.
Kaf Achat
Prayers and confessions for various circumstances, like when scared or worried.
Yosef BeSeder
Prayers for various circumstances, like after miraculous events or before Torah study at night.
Sansan LeYair
Prayers for various circumstances, like after tragedy, when getting married, or at childbirth.
Shomer Yisrael
Prayers for protection from both physical and spiritual danger, like the Evil Inclination.
Chafetz Chaim
First work to exclusively address the laws of proper speech, written in the 20th century.
Ein HaTekhelet
The Radziner Rebbe’s response to criticism of his treatise, “Treasures Hidden in the Sand.”
Geder Olam
Late 19th-century work on the importance of modesty, written by Rabbi Yisrael Meir Kagan (the Chafetz Chaim).
Gevurat Anashim
17th-century work about a case in which a woman wants a divorce due to sexual dysfunction.
Hilchos Talmud Torah
18th-century treatise on the laws of Torah study by the founder of the Chabad movement.
Keset HaSofer
19th-century work on the laws of scribal writing by the author of the Kitzur Shulchan Arukh.
Maaseh Rav
Work detailing the personal legal practices of the 18th-century rabbinic leader, the Vilna Gaon.
Mateh Efrayim
19th-century compendium of laws and customs of the High Holidays and the festival of Sukkot.
Nehar Misrayim
20th-century work of laws and customs followed by Egyptian Jewry, by the chief rabbi of Cairo.
Od Yosef Chai; Halakhot
Early 20th-century work by R. Yosef Chaim with laws not included in his earlier magnum opus, the Ben Ish Chai
Ptil Tekhelet
The Radziner Rebbe’s elaboration upon “Treasures Hidden in the Sand,” his treatise on tekhelet.
Seder HaYom
16th-century legal and kabbalistic work by Rabbi Moshe ben Machir that guides daily and yearly observances.
Sha'arei Ephraim
Early 19th-century work on the laws of Torah reading, by Rabbi Ephraim Zalman Margoliot.
Shabbat HaAretz
20th-century work on the laws of and ideas behind shemittah by R. Kook, the first Ashkenazi chief rabbi in pre-state Israel
Shev Shmateta
18th-century work on cases of doubt in the Talmud, considered a classic of yeshiva study.
Simlah Chadashah
18th-century work on ritual slaughter, considered the definitive Ashkenazic work on the topic.
Ta'amei HaMinhagim
A work of explanations of many different Jewish customs and practices.
Treasures Hidden in the Sand
19th-century thesis advocating for the search for the source of tekhelet, a dye used in tzitzit.
About Acharonim
Acharonim (“the later ones”) were leading rabbis and legal authorities who lived in the 16th through 20th centuries, in the era after the composition of the Shulchan Arukh.
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