Congress.gov
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Search legislation and congressional records
Educational tools for examining global facts and assumptions
A multilingual encyclopedia with a language-aware search
Related English words for revising a draft
A versioned taxonomic catalogue of spiders
A historical London map linked to texts and reference records
Concise biographies of figures in Welsh national life
Interconnected reference on Victorian literature and culture
A subject-organized reference to Alabama
Regional history connected to Philadelphia's present
English definitions beside usage and collocation references
Discover peer-reviewed open-access books and publishers
Astronomical objects connected to literature and identifiers
Physical constants linked to units and uncertainty guidance
Spectral lines and atomic energy-level reference data
Official MLA guidance on writing and documentation
A connected library of Jewish texts and commentaries
Quran reading and listening organized by surah and topic
Convention case-law knowledge by article and theme
Taxonomic lookup for living reptile species
Treaty records and depositary information
Visual-art history through artists, movements and ideas
Reports and data on human-development measures
Population statistics organized through maps and tables