Organ from the Wilhelm Sauer Manufactory in the Berlin Cathedral

Source

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  1. Wikipedia:Recent additions/2012/April#22 April 2012, archive of Main Page appearance.
  2. Wikipedia:Recent additions/2011/June#19 June 2011, archive of Main Page appearance.
  3. Wikipedia:Recent additions/2010/March#2 March 2010, archive of Main Page appearance.
  4. Wikipedia:Recent additions/2011/April#26 April 2011, archive of Main Page appearance.