ICPSR provides access to data sets in the social sciences. Registration is required.
Wharton Research Data Services (WRDS)
Create account using lousville.edu email address. This subscription is through the College of Business, and Lori Tang is the contact. You can access a list of datasets UofL subscribes to through WRDS: business.louisville.edu/faculty-staff-resources/faculty-resources/faculty-research-resources/subscribed-data/
There are a number of online resources that offer datasets on a variety of topics. Visit the guide above to discover key data resources and datasets covering a range of topics, including: