Letter, R.A. MacKay to N.A. Robertson, "Study of National Security Policy"
Ottawa to London
Department of External Affairs
Study on Canadian National Security Policy, RG25, file 50333-40, LAC.
Department of External Affairs, “Letter, R.A. MacKay to N.A. Robertson, "Study of National Security Policy",” Canada Declassified, accessed May 29, 2023, https://declassified.library.utoronto.ca/items/show/11844.