Columbia subject headings:
Concertos (Timpani)--Scores and parts (solo)
Matthus, Siegfried--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Harvard subject headings:
Concertos (Timpani)--Scores and parts (solo)
Matthus, Siegfried--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Princeton subject headings: