The American Presidency Project by UC Santa Barbara is an online archive of most public messages, statements, speeches, and news conferences from all US Presidents. The archive is organized by type of material (State of the Union addresses, inaugural addresses, campaign speeches, executive orders, etc.). The collection also includes remarks by recent Vice Presidents and First Ladies.
This link will take you directly to the resources page for the AEJMC, which includes research resources and reports. Other professional communications organizations may have similar resources on their websites.
The Public Relations Student Society of America (PRSSA) is the foremost organization for students interested in public relations and communications. Podcast and social media links for influential professionals in the field.
The US Census Bureau, like many government agencies, has free access to data that may be useful for your research. The Census Bureau has data broken down by topic and has infographics and visualizations of certain data sets.
