Procter has signed and annotated the majority of the scores, usually with information about her performances or about the composer or singers. Some have press cuttings about the works or reviews of performances inserted inside. Most of the scores are published, but some are manuscript. A few of the manuscript scores have been decicated to Norma Procter by the composer.
There are published scores by Luigi Arditi, Cecil Armstrong Gibbs, J S Bach, Bantock, L van Beethoven, Arthur Benjamin, Lennox Berkeley, Leonard Bernstein, Maurice Besley, Arthur Bliss (with manuscript dedication to Procter from the composer), Johannes Brahms, Frank Bridge, Benjamin Britten, Casals, Coleridge-Taylor, David Cox, Dale, Manuel de Falla, Del Tredici, Delius, H Duparc, Edward Elgar, Gabriel Faure, Howard Ferguson, Percy E Fletcher, Gipps, Gluck (three copies of Orpheus and Eurydice. One belonging to Frans Moonen with manuscript letters from Moonen dated 1971-1972 and one belonging to Royal Opera House and Kathleen Ferrier), Gounod, Greene, Edvard Grieg, Handel, Michael Head (with manuscript dedications to Norma Procter by the composer), Hindemith, Gustav Holst, Herbert Hughes, Archibald Jacob, Kinglsey & Brook, Edward J Loder, Mahler, Jean Martinon, Nicholas Maw, F Mendelssohn Bartholdy, Milner (includes manuscript letter to Norma Procter from Terry James dated 1975), Gerald Moore, Thomas Moore, Mozart, Bernard Naylor, Vincent O'Brien, F. Paolo Tosti, C H H Parry, Raymond Petit, Mary Plumstead (with manuscript dedication to Procter from the composer), Henry Purcell, Landon Ronald, Rossini, Scarlatti, Franz Schubert, Schumann, H Schutz, Cecil Sharp, Jean Sibelius, Charles V Stanford, Johann Strauss, Richard Strauss, Suter, Eric H Thiman, Niso Ticciati, Michael Tippett, Tschaikowsky, Ralph Vaughan Williams , Verdi, Wagner, H Walford Davies, Watkins, Malcolm Williamson, Wood, W F Young.
There are manuscript scores of music by Schutz: a non-holograph score for Die Verkundigieng. There are also manuscript scores by Michael Head and Mary Plumstead, both with manuscript dedications to Norma Procter by the composers, by Alec Redshaw, Ralph Vaughan Williams (written in Peter Pears' hand), Von Caldara, Leslie Walters, David Watkins (with manuscript dedications to Norma Procter), Gerrard Williams, and one unidentified manuscript score titled I followed a Star.
There is also a compilation of works called Songs of England.
These are ordered by surname of composer.