Letter from Lester Pearson to Dana Wilgress about John Holmes and Soviet policy
Department of External Affairs
Reports re Relations Between the Western World and Soviet Union and Its Satellites, RG25-A-3-b, vol. 5697, file 2-AE-1(s), LAC.
Department of External Affairs, “ER air mail,” Canada Declassified, accessed July 5, 2020, https://declassified.library.utoronto.ca/items/show/4375.