undated
Microfilm and paper copies of music manuscripts of Gustav Holst held elsewhere, including at the British Library, St. Paul's Girls' School, and in private possession. These include copies of some of the sketch books App. IV (as per Imogen Holst's 'A Thematic Catalogue of Gustav Holst's Music').
9 boxes
Archive
https://www.bpacatalogue.org/archive/HOL-1-11