Canada. Mines Branch (1901-1936), Lindeman, E., & Bolton, L. L. (1917). Iron ore occurrences in Canada: In two volumes. Government Printing Bureau.
Lua i Stíl Chicago (17ú heag.)Canada. Mines Branch (1901-1936), Einar Lindeman, agus Launcelot Lawrence Bolton. Iron Ore Occurrences in Canada: In Two Volumes. Ottawa: Government Printing Bureau, 1917.
Lua MLA (8ú heag.)Canada. Mines Branch (1901-1936), et al. Iron Ore Occurrences in Canada: In Two Volumes. Government Printing Bureau, 1917.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.