American University has published the fully-searchable online University Catalog for the 2018-2019 academic year. Archived catalogs from previous years are available in online and PDF formats on the right, depending on the catalog year.
2017-2018 Catalog (Online)
2016-2017 Catalog (Online)
2015-2016 Catalog (Online)
2014-2015 Catalog (Online)
2013-2014 Catalog (PDF)
2012-2013 Catalog (PDF)
2011-2012 Catalog (PDF)
2010-2011 Catalog (PDF)
Pre-2010 Catalogs are accessible in AU Library's Internet Archive