2006 Donation Add to clipboard 2006 Sub-fonds [1958 x 1992] Part of William Mathias Music Manuscripts and Papers, Four musical scores of works by William Mathias.
2019 Purchase Add to clipboard 2019 Sub-fonds 1979 Part of William Mathias Music Manuscripts and Papers, Bound musical score of works by William Mathias.
2020 Purchase, Add to clipboard 2020. Sub-fonds 1976. Part of William Mathias Music Manuscripts and Papers, Bound musical score of works by William Mathias.
Music manuscripts, Add to clipboard A-L. Sub-fonds 1941-1992. Part of William Mathias Music Manuscripts and Papers,
Personal papers, Add to clipboard 1-539. Sub-fonds 1952-1994. Part of William Mathias Music Manuscripts and Papers,