Library and Information Science 

The largest national organization dedicated to the promotion of library service and librarianship. It is also home to 11 membership divisions, each with a type-of-library or type-of-library-function specialization.

An international association representing the interests of information professionals in in corporate, academic, and government settings.

An international organization of health information professionals that supports health information research and access.

An association that represents law librarians and related professionals who are affiliated with a wide range of institutions, including law firms, law schools, corporate legal departments, courts, and government agencies.

A state library association, WLA is designed to help develop, improve, and promote library services to all Washington residents.

A recent article from GetDegrees.com, which gives a useful if subjective list of the top 50 LIS-related blogs, broken down by topic of interest.

A frequently-updated, collaborativly authored blog that is devoted to current events and news in the world of Library and Information Science.

This blog is run by Stephen Abrams, the vice-president of SirsiDynex. It covers a broad range of information technology topics, including library software.

Run by David Lankes, an Associate Professor at Syracuse University's School of Information Studies, this blog is written in a more academic fashion than many LIS blogs.

Michael Stephens, an Assistant Professor at Dominican University’s Graduate School of Library and Information Science, writes on a variety of LIS-related issues, including information and social technologies.

The official blog of the Library of Congress, authored by Matt Raymond.