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Ethnologue is a detailed resource with information on the world's 7000-plus languages.
Search across full-text encyclopedias, dictionaries, and other reference books in a variety of subject areas.
Search across more than 100 full text encyclopedias, dictionaries, and other reference works in the social and behavioral sciences.
Regional words, phrases, and pronunciations as they vary across the United States, including definitions, etymologies, and usage. Features clips from over 4,000 audio recordings of interviews carried out in all 50 states as part of the DARE Survey between 1965 and 1970. Browse by region with an interactive map and create your own maps using the DARE survey data.