Birds of the World
birdsoftheworld.orgDetailed bird life histories with maps and multimedia
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
Pathology images and tutorials for medical education
An ophthalmology encyclopedia written by eye specialists
Learn and test text patterns with live feedback
Find market datasets for spreadsheets and financial applications
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
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
A historical London map linked to texts and reference records
Math and electrical calculations in a compact tool directory
Metric and imperial conversion with reference charts
Find destination tours, attraction tickets and travel experiences