Freundlich's Rediscovered Head on Permanent Display in Berlin
http://berlinlist.com/museum-guide/exhibition/the-berlin-sculpture-find
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Degenerate Art film, 1937
http://www.ushmm.org/research/collections/highlights/bryan/video/detail.php?content=germany_art
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Photograph of Otto Frendlich c.1925
http://www.tate.org.uk/art/artworks/sander-painter-and-sculptor-otto-freundlich-al00087
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The Artist and the Economic Crisis - An Essay by Otto Freundlich
http://canopycanopycanopy.com/static/files/TripleCanopy-PerOskarLeu-pub-021012.pdf
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Germany: Missing “degenerate art” works rediscovered
http://www.wsws.org/articles/2010/nov2010/artw-n25.shtml
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A short biography of Otto Freundlich - MoMA
http://www.moma.org/collection/artist.php?artist_id=1996
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Degenerate Art - Otto Freundlich
http://resources.ushmm.org/film/display/detail.php?file_num=1248
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