(en) Christopher Grogan, Imogen Holst : A Life in Music, Woodbridge, Boydell Press, coll. « Aldeburgh studies in music » (no 7), , 492 p. (ISBN1843832968, OCLC84151396, lire en ligne), p. 422.
(en) Snape Maltings Conservation Area Appraisal, Snape, Suffolk Coastal District Council, , 82 p. (lire en ligne [PDF])
worldcat.org
(en) Christopher Grogan, Imogen Holst : A Life in Music, Woodbridge, Boydell Press, coll. « Aldeburgh studies in music » (no 7), , 492 p. (ISBN1843832968, OCLC84151396, lire en ligne), p. 422.