This fonds contains material created or collected by Dr. Williamson during his varied career as an anthropologist, civil servant, legislator, professor, and as a consultant for various provincial, national and international organizations and governments. Although primarily documenting Dr. Williamson's work for and with the Inuit of northern Canada, this fonds includes material relating to all circumpolar countries, other aboriginal groups in Canada, international affairs, and a very broad range of topics as they relate to the north, including art and culture, physical geography, sport, environment, botany, zoology, economics, defence, etc. It includes his personal and professional correspondence, research data, articles and scholarly writing, as well as a substantial collection of reference publications.