Reference

Human-protein information across tissues and biological contexts

Find preserved research datasets with citable records

Physiological principles connected across body systems

Pre-Victorian women's texts for research and teaching

Scholar-written reference articles on philosophy

Structured knowledge connected across Wikimedia projects

Fossil collections, taxa and literature in a searchable reference

Open textbooks and educational materials across disciplines

A music-score library with structured browsing

Search the Medical Subject Headings vocabulary

A handbook for reproducible and collaborative data science

A national reference work on Bangladesh

Academic phrasing organized by rhetorical purpose

Instructional writing reference from UW-Madison

Poets reading their own work in a preserved archive

Identify and explore integer sequences

An interactive periodic table with property and isotope views

Animal reference searchable by information and media type

Massachusetts historical sources from many cultural institutions

Medical reference with professional and consumer versions

A subject-organized archive of scholarly articles

Search legislation and congressional records

A search across published encyclopedias and reference books

A versioned taxonomic catalogue of spiders