Reference

A detailed reference for mathematical functions

A library of peer-reviewed open-access scholarly books

Scholarly search with author, publication and date controls

Anatomy articles, diagrams and three-dimensional learning material

Bible reading with saved notes and companion study resources

Economics literature discovery through RePEc

Standardized bacterial information at strain level

Edited texts across Isaac Newton's varied writings

Element information with history and periodic trends

Dictionary search with wildcard and meaning-based queries

Bird taxonomy and regional checklists

Detailed bird life histories with maps and multimedia

History reference supported by timelines, maps and sources

Search and inspect three-dimensional molecular structures

A maintained catalogue of marine taxonomic names

Interactive three-dimensional anatomy for health education

Educational reference on oxygen and respiratory care

Chemical reference data with documented data collections

An index of hymn texts, tunes and hymnals

Search published astronomical catalogues and data tables

North American bird identification and life-history reference

Curated learning-resource discovery by discipline

Medical study material linked to a clinical reference library

British and Irish case law and legislation