Thus began what is now generally refers to performing explicit images. While some sexual activities regulated or prohibited by previous laws were, the mere viewing of erotic depictions was outlawed until 1857 in any country. In some cases, the possession of certain books, inscriptions or collections of images was prohibited, those laws that prohibit the viewing of sexual content in general are, however, all from the Victorian era. In the public libraries sorted out the erotic and pornographic works normally. and made available only under special conditions. Other libraries similar practices. They described their stocks considered to be offensive with abbreviations such as concealing Private Case.