Terezin Chamber Music Foundation -- History
- The Terezin Chamber Music Foundation is a non-profit organization dedicated to assuring the permanence of the music written by composers who perished in the Holocaust.
- http://www.terezinmusic.org/terezin/history/

News Release: Yale to Perform Holocaust Opera
- April 1998 from yale.edu
- http://www.yale.edu/opa/newsr/98-04-03-02.all.html

Viktor Ullmann - Czech Music Information Centre
- Biography and compositions.
- http://www.musica.cz/comp/ulmann.htm

Ullmann
- Personal page from umich.edu
- http://www-personal.umich.edu/~siglind/Ullmann.htm

Ullmann, Viktor (1898 - 1944)
- Classical Music Dictionary
- http://www.karadar.it/Dictionary/ullmann.html

"Against All Odds"
- Philadelphia Orchestra Performs Music Composed at Terezin
- http://www.english.upenn.edu/~afilreis/Holocaust/phila-orchestra.html

Sounds of Defiance
- Profile with sketch, note of rights for a composition, and highlights of his career and his death under the Nazis.
- http://www.solyom.com/defiance.html#ullmann