[2] In 1971 she studied process camera techniques and color separation at George Brown College, Toronto.

[3] Manning taught in a mobile printmaking workshop between 1965 and 1970 for a community program of the Ontario Department of Education.

[4] Around 1980 she became ill from exposure to chemicals and moved away from etching into ink drawing and oil and watercolor painting.

[2] After many years of creating works in different media, culminating in watercolour and graphite grasses and black ink tree trunks as detailed as her early etchings, Manning turned to writing, to document both the early print world in Canada, and her own personal journey as a woman artist.

"[6] Manning resided at an assisted living facility near Beacon Hill Park, in Victoria, British Columbia toward the end of her life.