Dr. Walls' research area lies in Atlantic Canadian First Nations history, with a specialization in the historical experiences of 20th century First Nations women. Her book, "No need of a chief for this band": The Maritime Mi'kmaq and Federal Electoral Legislation, 1899-1951, was published by UBC Press in 2010. Her work has also appeared in Acadiensis, the Canadian Journal of Native Studies, and the Journal of the Canadian Historical Association.
Dr. Walls is currently working on a monograph-length study of colonialism and gender by examining the experiences of female Aboriginal day school teachers, along with an article that looks at the role gender played in the disestablishment of the New Germany Mi’kmaq reserve in Nova Scotia.