Encyclopaedia BritannicaExplore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and more.
Merriam-Webster DictionaryFor more than 150 years, Merriam-Webster has been America’s leading and most-trusted provider of language information. Each month, Merriam-Webster.com offers language guidance to more than 40 million visitors.
Word ReferenceFree online dictionaries: Spanish, French, Italian, German and more. Conjugations, audio pronunciations and forums for your questions.
World History EncyclopediaWorld History Encyclopedia is a non-profit organization publishing the world’s most-read history encyclopedia. All content on this encyclopedia is goes through strict editorial review prior to publication.