Music Research - finding the score

For an effective search for a musical work, it is helpful to know the following pieces of information:

1. Composer information:
   1. The composer’s [full] name;
   2. The nationality of the composer;
2. Title information
   1. The title of the work in its original language;
   2. Alternative titles or common names;
   3. The name of a larger work from which a piece comes;
3. Other information
   1. Numbers associated with the work;
   2. The Key signature of the piece;
   3. Instrumentation (or original instrumentation) of the work;
   4. The score format or edition that you desire.

Click on each link for more information and help in finding the information you need.