Public lectures and addresses Public lectures and addresses delivered by Mary Esslemont, 1930s-1970s. There are over one hundred and fifty lectures in this series, of which sixty are on topics relating to health and welfare, thirty-nine are on political themes, and twenty-three on Soroptimist ideals. Other significant groups include addresses on overseas travel, and addresses delivered to her alma mater, Aberdeen University. 1930s-1970s