HTTrack is an application for downloading entire websites, including subpages. The application can save a browsable copy of a website as it was at the time of download.
Additional software is necessary for installing the application on MAC OS. The additional software can be found at the application download page.
An installation manual from NetLab is available here:
Tips for basic use and new users can be found here:
Contact: Niels Brügger; nb (at) cc.au.dk