This provides all URLs for accessing the World of Warcraft 4.3.4 client installation, and recreating a local copy. Of course, making a mirror would also be highly advised.
Note that by default enUS localization is used and the user can then add any personally prefered locale.
Note: WoWLive-64-Win-15595.zip contains the 64-bit versions of the game client
and has to be extracted into the client directory.