The National Edition was based on sources originated from the composer, mainly autographs, copies of autographs and first editions with the composer's corrections, and pupils' copies with Chopin's annotations. In cases when original sources were lacking, the closest possible materials were used.

Editor: Ullrich Scheideler Pages: 15

Simplified and abridged edition C minor - piano solo - piano and orchestra arranger: Thorne, E. composer: Rachmaninoff, Sergei Wassiljewitsc Pages: 8