Ingstad, H. & Ingstad, A. S. The Viking Discovery of America: The Excavations of a Norse Settlement at L’Anse aux Meadows, Newfoundland (Breakwater Books, 2000).
Wallace, B. L. in Contact, Continuity, and Collapse: the Norse Colonization of the North Atlantic (ed. Barrett, J.) 207–238 (Brepols, 2003).
Nydal, R. A critical review of radiocarbon dating of a Norse settlement at L’Anse aux Meadows, Newfoundland Canada. Radiocarbon 31, 976–985 (1989).
Ledger, P. M., Girdland-Flink, L. & Forbes, V. New horizons at L’Anse aux Meadows. Proc. Natl Acad. Sci. USA 116, 15341–15343 (2019).
Dee, M. W. & Kuitems, M. Duration of activity inestimable due to imprecision of the data. Proc. Natl Acad. Sci. USA 116, 22907 (2019).
Miyake, F., Masuda, K. & Nakamura, T. Another rapid event in the carbon-14 content of tree rings. Nat. Commun. 4, 1748 (2013).
Mühlemann, B. et al. Diverse variola virus (smallpox) strains were widespread in northern Europe in the Viking Age. Science 369, 6502 (2020).
Margaryan, A. et al. Population genomics of the Viking world. Nature 585, 390–396 (2020).
Wallace, B. L. The Norse in Newfoundland: L’Anse aux Meadows and Vinland. Newfoundl. Labrador Stud. 19, 50–43 (2003).
Ingstad, H. The Discovery Norse House-Sites in North America (Harper & Row, 1966).
Lindsay, C. S. Was L’Anse aux Meadows a Norse outpost? Can. Geogr. J. 94, 36–43 (1977).
Ingstad, A. S. & Ingstad, H. The Norse Discovery of America Vols I and II (Univ. Oslo Press, 1986).
Davis, A. M., McAndrews, J. H. & Wallace, B. L. Paleoenvironment and the archaeological record at the L’Anse aux Meadows site, Newfoundland. Geoarchaeology 3, 53–64 (1988).
Ogilvie, A. E., Barlow, L. K. & Jennings, A. E. North Atlantic climate c.AD 1000: millennial reflections on the Viking discoveries of Iceland, Greenland and North America. Weather 55, 34–45 (2000).
Wallace, B. L. L’Anse aux Meadows, Leif Eriksson’s home in Vinland. J. North Atl. Special Vol. 2, 114–125 (2009).
Smiley, J. The Sagas of the Icelanders (Penguin, 2005).
Martindale, A. et al. Canadian Archaeological Radiocarbon Database (CARD 2.1) (accessed 13 April 2021) (2016).
Kristensen, T. J. & Curtis, J. E. Late Holocene hunter-gatherers at L’Anse aux Meadows and the dynamics of bird and mammal hunting in Newfoundland. Arctic Anthropol. 49, 68–87 (2012).
Wallace, B. L. in Archaeology in America: An Encyclopedia (eds Cordell, L. S. et al.) 78–83 (ABC-CLIO, 2009).
Wacker, L. et al. Radiocarbon dating to a single year by means of rapid atmospheric 14C changes. Radiocarbon 56, 573–579 (2016).
Oppenheimer, C. et al. Multi-proxy dating the ‘Millennium Eruption’ of Changbaishan to late 946 CE. Quat. Sci. Rev. 158, 164–171 (2017).
Kuitems, M. et al. Radiocarbon-based approach capable of subannual precision resolves the origins of the site of Por-Bajin. Proc. Natl Acad. Sci. USA 117, 14038–14041 (2020).
Reimer, P. et al. The IntCal20 Northern Hemisphere radiocarbon age calibration curve (0–55 cal kBP). Radiocarbon 62, 725–757 (2020).
Miyake, F., Nagaya, K., Masuda, K. & Nakamura, T. A signature of cosmic-ray increase in AD 774–775 from tree rings in Japan. Nature 486, 240–242 (2012).
Usoskin, I. G. et al. The AD775 cosmic event revisited: the Sun is to blame. Astron. Astrophys. 552, L3 (2013).
Jull, A. T. et al. Excursions in the 14C record at A.D. 774–775 in tree rings from Russia and America. Geophys. Res. Lett. 41, 3004–3010 (2014).
Güttler, D. et al. Rapid increase in cosmogenic 14C in AD 775 measured in New Zealand kauri trees indicates short-lived increase in 14C production spanning both hemispheres. Earth Planet. Sci. Lett. 411, 290–297 (2015).
Büntgen, U. et al. Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE. Nat. Commun. 9, 3605 (2018).
Scifo, A. et al. Radiocarbon production events and their potential relationship with the Schwabe cycle. Sci. Rep. 9, 17056 (2019).
Wallace, B. L. Westward to Vinland: the Saga of L’Anse aux Meadows (Historic Sites Association of Newfoundland and Labrador, 2012).
Bronk Ramsey, C. Bayesian analysis of radiocarbon dates. Radiocarbon 51, 337–360 (2009).
Bronk Ramsey, C., van der Plicht, J. & Weninger, B. ‘Wiggle matching’ radiocarbon dates. Radiocarbon 43, 381–389 (2001).
Mooney, D. E. A. ‘North Atlantic island signature’ of timber exploitation: evidence from wooden artefact assemblages from Viking Age and Medieval Iceland. J. Archaeol. Sci. Rep. 7, 280–289 (2016).
Odess, D., Loring, S. & Fitzhugh W. W. in Vikings: the North Atlantic Saga (eds Fitzhugh, W. W. & Ward, E. I.) (Smithsonian Institution Press, 2000).
Wacker, L. et al. Findings from an in-depth annual tree-ring radiocarbon intercomparison. Radiocarbon 62, 873–882 (2020).
Loader, N. J., Robertson, I. & McCarroll, D. Comparison of stable carbon isotope ratios in the whole wood, cellulose and lignin of oak tree-rings. Palaeogeogr. Palaeoclimatol. Palaeoecol. 196, 395–407 (2003).
Dee, M. W. et al. Radiocarbon dating at Groningen: new and updated chemical pretreatment procedures. Radiocarbon 62, 63–74 (2020).
Brock, F. et al. Testing the effectiveness of protocols for removal of common conservation treatments for radiocarbon dating on dating. Radiocarbon 60, 35–50 (2018).
Bruhn, F., Duhr, A., Grootes, P. M., Mintrop, A., Nadeau, M.-J. Chemical removal of conservation substances by ‘Soxhlet’-type extraction. Radiocarbon 43, 229–237 (2001).
Ensing, B. et al. On the origin of the extremely different solubilities of polyethers. Nat. Commun. 10, 2893 (2019).
Friedrich, R. et al. Annual 14C tree-ring data around 400 AD: mid- and high-latitude records. Radiocarbon 61, 1305–1316 (2019).
Stuiver, M. & Polach, H. A. Discussion reporting of 14C data. Radiocarbon 19, 355–363 (1977).
Schweingruber F. H. Anatomy of European Woods (Bern and Stuttgart, 1990).
Wheeler, E. A. InsideWood – a web resource for hardwood anatomy. International Association of Wood Anatomists Journal 32, 199–211 (2011).
IAWA Committee. IAWA list of microscopic features for softwood identification. IAWA J. 25, 1–70 (2004).