American Community Survey (ACS) data can be used to study a wide range of social, economic, and demographic issues. But in some cases, data users need to combine ACS data with administrative records or data from other sources to meet specific research needs. In this webinar, three ACS data users describe applications in which they combined the ACS with other sources. Jonathan Fisher, research scholar at the Stanford Center on Poverty and Inequality, describes a project to combine ACS data with personal bankruptcy records. Stephen Tordella, president of Decision Demographics, gives a presentation on his work combining ACS data with Supplemental Nutrition Assistance Program (SNAP) records. And Tom Godfrey, research demographer at Decision Demographics, describes his work combining ACS Public Use Microdata Sample data with other data sources to produce estimates and projections of librarians. An archived recording of this webinar is available online.