Around the country, events on the 23rd of each month have included rallies, vigils, replica solitary confinement cell installations, chalk outlines of a cell, reader's theatre presentations, film screenings, and panel discussions.
American Civil Liberties Union - Facts sheets, advocacy tools and news
American Friends Service Committee - FAQ, first hand testimonials, reports, videos and more
Solitary Watch - News articles, FAQ, Solitary 101 presentation
T'ruah: The Rabbinic Call for Human Rights - Various Jewish resources on solitary confinement