The 21st century genealogist starts with research online, exhausting all resources available on the Internet before stepping foot in brick-and-mortar buildings. But are they truly getting everything they need in their time online when it comes to research in libraries, archives, and museum collections? The website is the virtual front door to research repositories and once through that door, researchers should eke out every detail they can to learn what is available, how to locate things, how to educate themselves about the repositories, and how to get the most from using them. From websites to catalogs to finding aids, this course will explore what it means to do truly exhaustive research in the wide array of collections available in repositories, both online and offline.