Book review of Theology, History, and Culture: Major Unpublished Writings.
http://www.religion-online.org/cgi-bin/relsearchd.dll/showarticle?item_id=75
Offers biographical information on H. Richard Niebuhr, as well as information on his published and unpublished works.
http://www.hds.harvard.edu/library/bms/bms00630.html
Discussion of the differing views of H. Richard Niebuhr and Reinhold Niebuhr expressed in a debate regarding war.
http://www.ucc.org/theology/brothers.htm