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Norwegian encyclopedia entries across a broad subject range

Mineral and gemstone descriptions for reference study

Academic reference guidance on using sources in papers

Curated pathways with visualization and analysis tools

Chemical structures, substances and bioassay information

Detailed bird life histories with maps and multimedia

Open textbooks for higher-education subjects

Curated learning-resource discovery by discipline

Guides for international and foreign legal research

Academic phrasing organized by rhetorical purpose

Anatomy articles, diagrams and three-dimensional learning material

An ophthalmology encyclopedia written by eye specialists

Learn and test text patterns with live feedback

Develop mobile illustrations with editable brushes and layered drawing

Animal reference searchable by information and media type

A curated registry of biological and biomedical ontologies

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

Related English words for revising a draft

A versioned taxonomic catalogue of spiders

Math and electrical calculations in a compact tool directory

Metric and imperial conversion with reference charts