Obituary for Dorothy Hall née Lappage.
From UK Magazine - 'Business and Professional Woman' - Summer 1982.
Dorothy Hall died 6 February 1982. She had entered St Mary's Hospital, Colchester, after a long illness at her home in West Mersea.
...
Dorothy's sister Margaret Lappage was the first honorary treasurer [of the International Federation of Business and Professional Women]
Dorothy was full time secretary 1942 - 1948.

Pauline points out there is an error in the text, where it says Dorothy compiled and produced her book "Making Things Happen" in 1970, whereas it was published in 1963.
Date: cAugust 1982