Sources

Death notice

Deaths. The Times (London, England), Saturday, Nov 18, 1939; pg. 1; Issue 48466.

SWANRICK On Nov. 16, 1939, at Satis, Boulters Lane, Maidenhead, Helena Swanwick, C.H. M.A., onetime editor of "Foreign Affairs," only daughter of Oswick and Eleanor Sickert, and widow of Frederick Tertius Swanwick, in her 75th year.