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Courses come from MIT OpenCourseWare, The Open University (OpenLearn) and TU Delft OpenCourseWare; each course page credits its source and license. Books in the reader come from Project Gutenberg, audiobooks from LibriVox.

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Cover of Ozoplaning with the Wizard of Oz

Ozoplaning with the Wizard of Oz

L. Frank Baum, Ruth Plumly Thompson

Read by Beth Thomas (1974-2020), dvlnblkdrs, Pseudonymous Nerd, edamerau, LaQuan, John-Paul Nelson and mjgreene · LibriVox · public domain · Archive.org recording · License