# OAPEN Library Contributor supplied; source control is verified only where a listing's provenance says so. ID: 1e1d41d79dd8bf04c0f9aa3878d3ff8aceabc8e5e98018d3b28d6194141edb6d Search context: `{}` Category: Learning & reference An online collection of open-access academic books, with searchable records and full-text downloads across scholarly subjects. ## About this listing Added as a fan ยท Contributor supplied Source control has not been verified. Listing updated: 2026-11-07 [Main link]() [Explore listings](/search.md)