A.A.E.: Archives des Affaires Étrangères.
A.A.S.B.: Archives d’Archevêque de Saint-Boniface.
A.H.R.: American Historical Review.
B.M.: British Museum.
C.H.R.: Canadian Historical Review.
C.L.A.: Canadian Library Association.
C.O.: Colonial Office.
H.B.C.A.: Hudson’s Bay Company Archives.
M.H.S.: Minnesota Historical Society.
N.B.M.: New Brunswick Museum.
N.L.W.: National Library of Wales.
P.A.B.C.: Public Archives of British Columbia.
P.A.C.: Public Archives of Canada.
P.A.M.: Public Archives of Manitoba.
P.A.O.: Public Archives of Ontario.
P.H.S.: Pennsylvania Historical Society.
P.R.O.: Public Record Office.
P.R.O., N.I.: Public Record Office, Northern Ireland.
Q.U.L.: Queen’s University Library.
S.P.L.: Sheffield Public Library.
T.R.S.C.: Transactions of the Royal Society of Canada.
U.N.B.L.: University of New Brunswick Library.
U.N.L.: University of Nottingham Library.
U.S.N.A.: United States National Archives.