• 16 Music Library (Mills)

• 91 Music Scores

• 90 Music
• 24 Sonatas (Piano)
• 20 Manuscripts
• 13 Sonatas (Cello and piano)
• 8 Bijvanck, Henk, 1909-1969
• 8 Sonatas (Violin and piano)
• 6 Wilder, Alec
• 5 Franken, Wim
• 5 Kox, Hans
• 5 Sonatas (Viola and piano)
• 4 Piano music
• 4 Sonatas (Clarinet and piano)
• 3 Frid, Géza
• 3 Godron, Hugo, 1900-1971
• 3 Goudappel, Jacques
• 3 King, Harold C., 1895-1984
• 3 Osieck, Hans, 1910-2000
• 3 Otten, Ludwig
• 3 Sonatas (Flute and piano)
• 3 Sonatas (Oboe and piano)
• 3 Sonatas (Pianos (2))
• 3 Sonatas (Saxophone and piano)
• 2 Bartók, Béla, 1881-1945
• 2 Bassoon and piano music
• 2 Felderhof, Jan

• 47 Stichting Donemus
• 8 Bijvanck, Henk, 1909-1969
• 6 Alec Wilder Collection
• 6 Wilder, Alec
• 5 Franken, Wim
• 5 Kox, Hans
• 3 Frid, Géza
• 3 Godron, Hugo, 1900-1971
• 3 Goudappel, Jacques
• 3 King, Harold C., 1895-1984
• 3 Osieck, Hans, 1910-2000
• 3 Otten, Ludwig
• 2 Bartók, Béla, 1881-1945
• 2 Beiche, Michael
• 2 Felderhof, Jan
• 2 Gregson, Edward
• 2 Ketting, Piet
• 2 Marez Oyens, Tera de
• 2 Ramette, Yves
• 2 Robert-Schumann-Gesellschaft Düsseldorf
• 2 Robert-Schumann-Haus Zwickau
• 2 Schumann, Robert, 1810-1856
• 1 Alkema, Henk, 1944-2011
• 1 Antheil, George, 1900-1959
• 1 Bach, Carl Philipp Emanuel, 1714-1788

• 90 No linguistic content
• 1 English
• 1 German
• 1 Undetermined

• 91 Facsimiles
• 89 Scores
• 35 Chamber music
• 9 Parts (Music)
• 9 Scores and parts
• 6 Art music
• 6 Notated music
• 2 Music
• 1 Concert etudes
• 1 Fantasias (Music)
• 1 Fugues
• 1 Juvenile
• 1 Marches (Music)
• 1 Musical sketches
• 1 Parts
• 1 Suites
• 1 Toccatas
• 1 Variations (Music)

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