Project Gutenberg 2016-01-09 Public domain in the USA. 225 Planck, Max 1858 1947 Planck, Max Karl Ernst Ludwig Ogg, Alexander 05002115 Vorlesungen über Thermodynamik. English Treatise on Thermodynamics en Thermodynamics QC Text Mathematics Physics 1106477 2016-01-08T22:13:34 application/pdf 9693 2025-09-20T11:31:38.940792 application/rdf+xml 625522 2021-06-11T17:21:39 application/prs.tex 14168 2025-09-20T11:31:38.857773 image/jpeg 3952 2025-09-20T11:31:38.613780 image/jpeg 1074844 2016-01-08T22:13:34 application/octet-stream application/zip 266087 2021-06-11T17:21:39 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