From here you should plan to develop a strategy to earn high - quality inbound links from authoritative sites (that you don't control) over time. (brandyourself.com)
The idea that I can pick 50 or 2500 authoritative sites on a topic, as well as cherry pick articles, etc, blows the whole concept of search out of the water. (slaw.ca)
Finding authoritative sites that'll link back to your pages can be difficult. (entrepreneur.com)