Chayei Adam
חַיֵּי אָדָםRabbi Avraham Danzig’s digest of practical halacha in two parts: Seder HaYom, the laws of daily life, and Shabbat uMoadim, the laws of Shabbat and the festivals — each klal titled by its subject.
Hebrew text: Chayei Adam (Vilna, 1844), Public Domain.