Canadian Pacific Railway's Telegraph
January 30, 1917
Canadian Pacific Railway's Telegraph
January 31, 1917
Canadian Pacific Railway Telegraph
February 11, 1917
Trans-Atlantic Cablegram
February 13, 1917
Trans-Atlantic Cablegram
February 17, 1917
Trans-Atlantic Cablegram
February 19, 1917
Great North West Telegraph Company of Canada
1918
