EXHIBIT 10.4(vi) SIXTH AMENDMENT AND WAIVER SIXTH AMENDMENT AND WAIVER (this "Amendment"), dated as of August 10, 2001, among AMERICAN LAWYER MEDIA HOLDINGS, INC., a Delaware corporation ("Holdings"), AMERICAN LAWYER MEDIA, INC., a Delaware...American Lawyer Media Inc • November 14th, 2001 • Newspapers: publishing or publishing & printing • New York
