Congress.gov
congress.govSearch legislation and congressional records
Search legislation and congressional records
Controlled terminology for art and cultural-heritage research
Educational tools for examining global facts and assumptions
A multilingual encyclopedia with a language-aware search
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
A global bird classification with English naming guidelines
Discover linked publications, datasets and research software
Astronomical objects connected to literature and identifiers
Physical constants linked to units and uncertainty guidance
A connected library of Jewish texts and commentaries
Quran reading and listening organized by surah and topic
Cleveland historical articles with a multimedia search
Australian scientific history connected to archival sources
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
Research explanations paired with charts and data explorers
Reports and data on human-development measures