Project Gutenberg 2010-05-30 Public domain in the USA. 88 Wicksteed, Philip H. (Philip Henry) 1844 1927 Wicksteed, Philip Henry The Alphabet of Economic Science; Elements of the Theory of Value or Worth en Value HB Text Mathematics 1107722 2010-05-30T02:50:28 application/pdf 9157 2025-08-13T09:05:23.810994 application/rdf+xml 427912 2021-06-11T17:20:25 application/prs.tex 24808 2025-08-13T09:05:23.748041 image/jpeg 4512 2025-08-13T09:05:23.506032 image/jpeg 825732 2010-05-30T06:08:38 application/octet-stream application/zip 495359 2021-06-11T17:20:25 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