Much of that material is already available at https://archive.org https://archive.org. It might be good enough for some purposes, but limiting it to stuff befor

Much of that material is already available at https://archive.org https://archive.org. It might be good enough for some purposes, but limiting it to stuff before 1928 (in the United Sates) isn't going to be very helpful for (e.g.) coding. Maybe if you added github projects with permissive licenses?