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Chemical structures, substances and bioassay information

Detailed bird life histories with maps and multimedia

Educational collections of historical source texts

Curated learning-resource discovery by discipline

Guides for international and foreign legal research

Anatomy articles, diagrams and three-dimensional learning material

Pathology images and tutorials for medical education

An ophthalmology encyclopedia written by eye specialists

Enterprise IT reporting and technical reference coverage

A biological-data resource portal from SIB

Search legislation and congressional records

Histories of English words and their earlier forms

Controlled terminology for art and cultural-heritage research

Educational tools for examining global facts and assumptions

Shakespeare texts with scholarly and educational context

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

A community-edited reference for recordings and releases

A wide subject reference to West Virginia

A collaboratively written mathematics encyclopedia

A subject-organized reference to Alabama

English dictionary lookup with explicit usage guidance