American Academy of Arts and Sciences
Honorary society that recognizes achievement in the natural sciences, social sciences, arts, and humanities and conducts a varied program of projects and studies responsive to the needs of society. Features publications in PDF format, news, events calendar, as well as lists of members and fellows.
http://www.amacad.org/
National Endowment for the Humanities
Supports learning and funds research, education, museum exhibitions, documentaries, and preservation activities in the United States. Offers news and publications, as well as descriptions of current projects.
http://www.neh.fed.us/
Penn Humanities Forum
University of Pennsylvania hosted program that provides a common ground for interdisciplinary exchange through cultural programs, fellowships and seminars. Features information on the program, calendar of events and links to related resources.
http://humanities.sas.upenn.edu