Orach Chaim 593:1-600:3 - Mussaf vs Shofar, Individual Praying, Ignorance, Mincha, Fasting, Second Day
Orach Chaim 590:9-592:4 - Rosh Hashana: Shofar Blowing, Mussaf Prayer, Individual and Public Repetition
Orach Chaim 586:18-587:1 - Shofar: Caves, Echoes, Microphones, Hearing Aids, Phones, Cochlear Implants
Orach Chaim 576:14-579:1 - Fasts, Blowing, Praying on Calamity, Too Much Rain; Individuals; Prayer Service