The Google Books copy that MIT Press links to as the "Preview" includes the CC license: https://mitpress.mit.edu/books/structure-and-interpretation-classical-m

The Google Books copy that MIT Press links to as the "Preview" includes the CC license: https://mitpress.mit.edu/books/structure-and-interpretation-classical-mechanics-second-edition https://mitpress.mit.edu/books/structure-and-interpretation-... https://books.google.com/books?id=a4-pBgAAQBAJ&lpg=PP1&pg=PP1#v=onepage&q&f=false https://books.google.com/books?id=a4-pBgAAQBAJ&lpg=PP1&pg=PP...