It shall be unlawful for any individual to act as a general vendor without having first obtained a license in accordance with the provisions of this subchapter, except that it shall be lawful for a general vendor who hawks, peddles, sells or offers to sell, at retail, only newspapers, periodicals, books, pamphlets or other similar written matter, but no other items required to be licensed by any other provision of this code, to vend such without obtaining a license therefor.