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Scholarly books with open and library-licensed access

Query a scholarly research graph of works, authors, sources, institutions, and related entities over a REST API.

Scholarly and multiscript fonts with detailed character and licensing choices.

Search Crossref’s deposited scholarly metadata and retrieve records by DOI or other publication identifiers.

Discover peer-reviewed open-access books and publishers

Scholarly search with author, publication and date controls

A library of peer-reviewed open-access scholarly books

Buy used books and pass old books on

Academic ebook access through JSTOR and participating libraries

Collection reproductions with scholarly context and specific image permissions

AI research workspace for searching literature, mapping ideas, and drafting with citations

AI writing assistant with autocomplete, web search, and citations

Scholar-written reference articles on philosophy

Open scholarly citation and bibliographic data

Arrange notes and long-form writing in nested books that can grow into projects.

A scholarly gazetteer of ancient places and spaces

Research discovery across open scholarly repositories

A subject-organized archive of scholarly articles

A curated index of freely readable online books

Manuscript images and metadata for medieval-music study

Expert-curated encyclopedia articles with scholarly review

AI tool that turns photos and text prompts into printable coloring pages and custom books.

AI research assistant that grounds answers in full-text scholarly papers and shows how findings are supported or challenged.

Discounted books and curated book bundles