i. 1939 Register. RG 101. The National Archives of the UK, London; Page Ealing, Middlesex, Richard E. Gilder household.; [Source Record]; Certainty Secondary Evidence
ii. Cousens, Alison. Salisbury. Interview questionnaire by Paul Blacknell. Transcript. Privately held by Paul Blacknell .; [Source Record]
iii. Personal knowledge of Alison Cousens.; [Source Record]; Certainty Primary Evidence