Blogging Libraries - Lists by library type, from blogwithoutalibrary.net. - http://www.blogwithoutalibrary.net/?page_id=94
RSS(sm): Rich Site Services - A categorized registry of library services that are delivered or provided through RSS/XML, Atom, or other types of web feeds. - http://www.public.iastate.edu/~CYBERSTACKS/RSS.htm
Library Weblogs - Directory categorized by geographic location, compiled by Peter Scott. - http://www.libdex.com/weblogs.html