Quick reference overviews of Niebuhr's life and work: Wikipedia
Books and Ebooks on Niebuhr available through Luther Sem (or see select recommendations below)
Journal articles: over 650 full-text peer-reviewed articles on Reinhold Niebuhr from Atla and other databases, via Luther Sem access. Note: hundreds more articles may be available at Luther Library in print or by ILL (though not available online--"Ask a Librarian" for help finding--->)
Academic Search Premier : An index to academic journal literature
Religious and Theological Abstracts : Index to articles in religion and theology since 1958, with about 300 article abstracts on "Reinhold Niebuhr"
Over 130 full text articles and dissertations on Niebuhr in Open Access Theological Library
Looking for books written BY Niebuhr? Try searching our online catalog for his name as an AUTHOR (Reinhold Niebuhr 1892-1971.) For books ABOUT Niebuhr search for him as a SUBJECT. (Be sure to distinguish from Reinhold's brother, ethicist H.Richard Niebuhr)
"The Serenity Prayer" as offered by Reinhold Niebuhr