The Historical Marker Database
hmdb.orgA searchable reference to historical markers and memorials
A searchable reference to historical markers and memorials
Topic-based calculators for practical questions
Photo-based plant identification and care references
Philosophy articles written by professional philosophers
Swedish everyday and celebration cooking with practical kitchen reference guides
Curated zebrafish genes, expression and research information
Reference searches for laboratory-mouse genetics
A scholarly multimedia reference to Swiss history
A handbook for reproducible and collaborative data science
Writing-process and research guidance in an online lab
Detailed card search and reference for Magic players
Scientific arithmetic, graphs and algebra tools for Windows
A DASH reference player for browser integrations
South Carolina reference essays enriched with historical media
Peer-reviewed social-anthropology reference essays
Health-topic and medical reference for general readers
Greek mythology profiles grounded in classical texts and art
Swedish-language reference about Finland
An archived reference to Sydney's people and places
PDF reading tools for technical books and research papers
Dahlia reference material with cultivation and show information