Archived websites, images, video, news and media clips, and data from 9-11-2001 and the days following.
Captures of the Internet as it was via archive.org
National Day of Service & Remembrance
Libraries, the Internet, and September 11 https://firstmonday.org/ojs/index.php/fm/article/view/909/818
Library of Congress September 11 Documentary Project
Understanding 9-11: A Television Archive https://archive.org/details/nsia-911
September 11: A collection of reports, images, movies, and datasets https://archive.org/details/911/day