I have noted that there are over 500 Scottish Directories available through the National Library of Scotland and the Internet archive.  Clearly this is an amazing resource for those hunting for genealogy links. From what I could see on a quick look through what was available all parts of Scotland are included.  There is a specific link to these directories at:
http://www.archive.org/details/scottishdirectories

Here is an example of one title page...

I was alerted to this resource through a message in our Electric Scotland community Genealogy forum.