Hartman, S., Ogilvie, A., & Hennig, R. 'Viking' ecologies: Icelandic sagas, local knowledge and environmental memory / Steven Hartman. A.E.J. Ogilvie. A Global History of Literature and the Environment.(2016).

Hartman, Steven, A.E.J Ogilvie, and Reinhard Hennig. "'Viking' Ecologies: Icelandic Sagas, Local Knowledge and Environmental Memory / Steven Hartman. A.E.J. Ogilvie." A Global History of Literature and the Environment.(2016) .

Hartman, Steven, et al. "'Viking' Ecologies: Icelandic Sagas, Local Knowledge and Environmental Memory / Steven Hartman. A.E.J. Ogilvie." A Global History of Literature and the Environment.(2016), .