VAIL, Benjamin. An assessment of human ecological approaches to Viking studies. In WAWN, Andrew and Ţórunn SIGURDARDÓTTIR. Approaches to Vínland. Reykjavik, Iceland: Sigurður Nordal Institute, 2001, p. 166-172, 6 pp. ISBN 997991114X.
VAIL, Benjamin. Human ecological perspectives on Norse settlement in the North Atlantic. Scandinavian Studies. 1998, vol. 70, No 3, p. 293-312, 19 pp. ISSN 0036-5637.