NPG does not endorse any external web site, but here are some resources you may find useful for promotion of resources within your library:

• ACRL's Marketing at your library 
• ALA's Public Information Office electronic discussion lists, including PR Talk
• ALA's Public Relations and Marketing Section of the Library Administration and Management Association
• Library Marketing-Thinking Outside the Book
• Library Media & PR
• Marketing Treasures
• The University of Texas at Austin Department of Advertising's The Ultimate Marketing Communications Directory