American Association of Law Libraries; American Civil Liberties Union; American Library Association; Association of Research Libraries; American Society of News Editors; Bill of Rights Defense Committee; Citizens for Responsibility and Ethics in Washington (CREW); Cause of Action Institute; Data Transparency Coalition; Defending Dissent Foundation; Demand Progress; Electronic Privacy Information Center; Essential Information; Global Financial Integrity National Security Archive; Government Accountability Project; OpenTheGovernment.org; PEN American Center; Project On Government Oversight; Reporters Committee for Freedom of the Press; R-Street; Sunlight Foundation(12/21/2015)