RedLectern
Sources and licenses
RedLectern gathers free books, recordings and courses from libraries and volunteer projects. This page names each source, what comes from it, and the terms we use it under. RedLectern is independent of every source named here and is not endorsed by any of them. Counts are as of 2026-11-11.
Books
Project Gutenberg
The text of 76,015 books in the reader was transcribed and proofread by Project Gutenberg's volunteers from editions that are in the public domain in the United States. We remove Project Gutenberg's own header and license text and set each book out for reading here; the words of the book are unchanged. Project Gutenberg does not require a credit; we name it here because its volunteers did the work. "Project Gutenberg" is a registered trademark of the Project Gutenberg Literary Archive Foundation. gutenberg.org
Library of Congress
17,978 scanned books come from the Library of Congress collection Selected Digitized Books, which states that its books are in the public domain and free to use and reuse. Credit: Library of Congress. The machine-read text was taken from the Common Pile collection, licensed CC BY 4.0. loc.gov
Wikisource
15,753 books were transcribed by Wikisource contributors. The books are in the public domain or under the free license shown on their page; the transcriptions are licensed CC BY-SA 4.0, and each page links the Wikisource page and its list of contributors. wikisource.org
Internet Archive
15,552 scanned books come from public-domain scans held by the Internet Archive. Each page links the scan. Most recordings on our listening pages also play from the Internet Archive's servers. archive.org
British Library
10,206 scanned books come from the British Library's Digitised Books collection, published under the Public Domain Mark 1.0. bl.uk
OAPEN and DOAB
3,391 books come from the OAPEN Library and 169 from the Directory of Open Access Books. These are open-access academic books. Each is used under the Creative Commons license its publisher chose; the license and the publisher's credit are shown on the book's page. Books under a "no derivatives" license are shown with their words unchanged. oapen.org · doabooks.org
Wolne Lektury
One Polish book and 1,548 Polish recordings come from the Wolne Lektury library of the Modern Poland Foundation, under the Free Art License 1.3 or CC BY-SA 3.0. Each page credits Wolne Lektury, and each recording names its reader. wolnelektury.pl
Recordings
LibriVox
21,000 listening pages play recordings made by LibriVox volunteers. 20,992 of them play recordings in the public domain; 8 play a recording under a Creative Commons license, which their pages credit. LibriVox does not require a credit for its public-domain recordings; we name it here because its volunteers did the work. librivox.org
Project Gutenberg audio
637 listening pages play human-read recordings from Project Gutenberg's audio collection; their readers are not credited in the source. 4,699 play recordings read by a computer-generated voice, from Project Gutenberg's open audiobook collection. Both collections are not in copyright in the United States.
Recordings shared on the Internet Archive
1,497 listening pages play recordings that their makers shared on the Internet Archive under a Creative Commons license, and 243 play recordings their makers placed in the public domain. Each page shows the license and links the recording. Recordings under a "no derivatives" license are played unchanged.
Audiocité
2 listening pages play recordings that their readers shared on Audiocité. Each page credits Audiocité and the reader, shows the license and links the recording. audiocite.net
About the books
Wikipedia
722 book pages show a short extract from the book's Wikipedia article. Each extract is quoted word for word, names the article and its revision, and is licensed CC BY-SA 4.0.
Wikidata
Author dates, occupations and first-publication years come from Wikidata, which releases its data under CC0. Author pages link the Wikidata entry they used.
Open Library and other cover sources
Many catalogue covers load from Open Library, the Internet Archive and other libraries. Selected cover artwork is hosted on RedLectern, with its source credited next to the picture or in that page’s picture credits. openlibrary.org
Courses
MIT OpenCourseWare
2,592 courses come from MIT OpenCourseWare, most under CC BY-NC-SA 4.0. Every course page names the course, its instructors and its license, links the original course, and says how we arranged it. We make no commercial use of course materials. RedLectern is not affiliated with MIT and is not endorsed by MIT. ocw.mit.edu
The Open University (OpenLearn) and TU Delft OpenCourseWare
2 courses come from OpenLearn and 2 from TU Delft OpenCourseWare, each under the Creative Commons license named on its course page, with the same credit and the same limits. open.edu/openlearn · ocw.tudelft.nl
Corrections
If a credit is missing or wrong, write to corrections@redlectern.com with the page's address.