There is a vast amount of material on the September 11, 2001 attacks. However, since this is a business blog, I will focus on the economic and business related materials. To find books on the economics of September 11, go to infoLINK, the Library Catalog. Do a subject search from the pulldown menu and type in “September 11 Terrorist Attacks 2001” (without the quotes). A list of subject headings will come up. Scroll down to the “Economic aspects” subheading. This will bring up a list of books and government documents on the topic. For academic articles, try the EconLit, Academic Search Premier or Business Source Premier databases.