Project Gutenberg 2012-02-29 Public domain in the USA. 166 Planck, Max 1858 1947 Planck, Max Karl Ernst Ludwig Wills, A. P. 1873 1937 Wills, Albert Potter 16002197 Eight Lectures on Theoretical Physics, Delivered at Columbia University in 1909 8 Lectures on Theoretical Physics, Delivered at Columbia University in 1909 en Physics QC Text Physics 1071568 2012-02-29T11:18:48 application/pdf 10647 2025-07-16T03:36:43.682839 application/rdf+xml 309525 2012-02-29T11:18:48 application/prs.tex 24817 2025-07-16T03:36:43.610842 image/jpeg 4553 2025-07-16T03:36:43.366835 image/jpeg 1004612 2012-02-29T11:18:48 application/octet-stream application/zip 523722 2012-02-29T11:18:48 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia en.wikipedia