Drafts of book on piano rolls and typescripts of unpublished book Folio-Box (folios 19-20) Unit ID: [unnumbered]
Eight volumes of print outs of musical works recorded on piano rolls Folio-Box (folio 21), Folio-Box (folios 19-20), Folio-Box (folio 22), Folio-Box (folio 23), Folio-Box (folios 24-25), Folio-Box (folios 26-27) Unit ID: [unnumbered]