The collection consists of biographical materials about van Ginkel and material she has written, her professional projects, and collected research about women in architecture. Personal information includes curriculum vitae, newspaper and magazine articles about her, some of her publications about architectural planning and women architects, and selected letters and speaking notes she made during the course of her career. These include speeches to professional organizations in which she is involved and her letter protesting the unequal pensions paid to female professors by the University of Toronto. Professional project information includes project bulletins from her firm. There is also a collection of research notes, papers, and exhibition notices about the history of women in architecture in Canada, some of which were compiled and written by Mary Clark.