the distribution of information. Public libraries have always purchased information, traditionally in the form of books, and they have served as distributors of this information. Media representatives...

the distribution of information. Public libraries have always purchased information, traditionally in the form of books, and they have served as distributors of this information. Media representatives often provide useful demographic and lifestyle data about their audiences. Advertising Age, The Wall Street Journal, Sales and Marketing Management, and other tradeand business-oriented publications are important sources of information. These