“Iceland; or the Journal of a Residence in that Island during the years 1814 and 1815...”; E. Henderson & J. Thorlaksson; Edinburgh, 1819, second (first single-volume) edition (Google books link). A fascinating insight into Icelandic life in the early 19th century.
“The Good People: New Fairylore Essays”; J. Narvaez; University of Kentucky, 1991 (Google books link – excerpts viewable only).
“Legends of Icelandic Magicians”; Translated by Jacqueline Simpson; D.S. Brewer Ltd., and Rowman & Littlefield, 1975 (out of print; library availability only) .
“Scandinavian Changeling Tales”; D. L. Ashliman (viewable online only).