[4] While in this role she contributed several posters and artworks to the public campaign for a repeal in the Violet and Bruce Roberts' murder trial during the 1980s.
[5][4] Robertson also became a key member within the Sydney Women's Art Movement, along with feminist contemporaries such as Barbara Hall, Frances Phoenix, Beverley Garlick, Jude Adams and Vivienne Binns.
This was helped by Robertson's skill in screen printing, which made it able to easily spread and visualize political messages.
[7] She retired from the art world as a result of health concerns from chemical exposure during her time as a tutor at the Tin Shed.
These concepts of feminism were important in her work, she was present in a protest that involved the University of Sydney, which focused on the Philosophy Department rejecting the introduction of a course on "Philosophical aspects of feminist thought."