Sigríður Sunna Ebenesardóttir et al., 2010 «A new subclade of mtDNA haplogroup C1 found in Icelanders: Evidence of pre-Columbian contact?». Am. J. Phys. Anthropol.. American Journal of Physical Anthropology, 144, 1, 10-11-2010, pàg. 92–9. DOI: 10.1002/ajpa.21419. PMID: 21069749.
Sigríður Sunna Ebenesardóttir et al., 2010 «A new subclade of mtDNA haplogroup C1 found in Icelanders: Evidence of pre-Columbian contact?». Am. J. Phys. Anthropol.. American Journal of Physical Anthropology, 144, 1, 10-11-2010, pàg. 92–9. DOI: 10.1002/ajpa.21419. PMID: 21069749.
2011 National Household Survey:Data tables - Ethnic Origin (264), Single and Multiple Ethnic Origin Responses (3), Generation Status (4), Age Groups (10) i Sex (3) for the Population in Private Households of Canada, Provinces, Territories, Census Metropolitan Areas and Census Agglomerations, 2011 National Household Survey