Of the three, licensing came closest to being a form of prior restraint of the press, although the fear of punishment or seditious libel constituted self-imposed restraint.

• 在这三者之中，许可证是限制新闻的最早的一种形式，尽管对惩罚的恐惧和煽动性诽谤已经造成了人们的自我的限制。