Correspondence set aside by Boosey & Hawkes because of its particular archival value, involving individuals with names beginning with letters between H- and K-.
Correspondence set aside by Boosey & Hawkes because of its particular archival value, involving individuals with names beginning with letters G- or H-.
Correspondence set aside by Boosey & Hawkes because of its particular archival value, involving individuals with names beginning with letters between R- and S-.