Database of and index to 5000+ full text, audio and video versions of public speeches, sermons, legal proceedings, lectures, debates, interviews, other recorded media events, and a declaration or two.

From Business Insider, the charts listed in the article informs readers how to communicate and negotiate with people from around the world.

Guide that helps students with public speaking and presentations. Includes a wide array of links to help with communication skills and public speaking.

Website that contains a wide array of articles pertaining to various communication skills.

From Encyclopedia.com, this entry gives the definition, history, function, structures, origin, sources, examples, and more pertaining to nonvernal communication.

An archive of famous presidential speeches.

The U.S. Office of Personnel Management (OPM) serves as the chief human resources agency and personnel policy manager for the Federal Government. OPM also provides tips on enhancing team performance that is useful for group communication skills.

A Youtube playlist related to various communication skills, styles, how-to's, and more.