Here are entered works on the legal aspects of advertising in general. Works on the legal aspects of advertising a particular product or in connection with a particular activity or industry are entered under headings of the type Advertising--[product, activity or industry]--Law and legislation, e.g. Advertising--Optical trade--Law and legislation. Works on the law of public notice are entered under Legal advertising. Works on the advertising of legal services are entered under Advertising--Lawyers.