Call numbers between M400-999 follow the pattern established between M300-399.
The first digit indicates the number of performers and the last two the instrumentation.
Example: M535 – First digit is 5, so 5 musicians needed. Last two digits are 35, so instrumentation is any combination of wind instruments.
M1022 – Oboe concertos with full orchestra
M1023 – Oboe concertos with piano reduction (originally full orchestra)
M1122 – Oboe concertos with string orchestra
M1123 – Oboe concertos with piano reduction (originally string orchestra)
MT360-365 – Studies and etudes
MT366 – Orchestral excerpts
ML128.O2 – Oboe bibliographies
ML940-943 – History and criticism of oboe playing (i.e. – history, construction, etc.)
MT360-365 – Studies and etudes (includes technique and period performance)