View all the top Reference websites that fall under Reference online.
Wikimedia is a global movement whose mission is to bring free educational content to the world.
Share our collection of inspirational and famous quotes by authors you know and love. Share our Quotes of the Day on the web, Facebook, Twitter, and blogs.
Leading research databases & discovery service providing scholarly journals, full-text articles, magazines, e-books & more for Academic, Medical, Corporate, School,...
The Guinness World Records Official site with ultimate record-breaking facts & achievements. Do you want to set a world record? Are you Officially Amazing?
Find what you want in a library near you with WorldCat, a global catalog of library collections.
The mission of The New York Public Library is to inspire lifelong learning, advance knowledge, and strengthen our communities.
ProQuest powers research in academic, corporate, government, public and school libraries around the world with unique content, including rich academic databases, and...
Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.