Analysis of information sources in references of the Wikipedia article "Fourth Estate" in English language version.
He is too much for any single newspaper antagonist...He is a kind of fourth estate in the politics of the country.
What can be more outrageous than to see a nation where, by lawful custom, the office of a Judge is to be bought and sold, where judgments are paid for with ready money, and where justice may be legally denied him that has not the wherewithal to pay...a fourth estate of wrangling lawyers to add to the three ancient ones of the church, nobility and people, which fourth estate, having the laws in their hands, and sovereign power over men's lives and fortunes, make a body separate from the nobility?