I can strongly recommend the excellent book "The Poor Had No Lawyers" for a look at the land ownership situation in Scotland:

http://www.andywightman.com/poor-had-no-lawyers

Edit: Another book I recommend to give a taste of the kinds of stuff that went on here is "Donald McLeod's Gloomy memories in the Highlands of Scotland" - a first hand account of the Clearances:

https://www.amazon.co.uk/Donald-McLeods-memories-Highlands-S...

https://en.wikipedia.org/wiki/Highland_Clearances