Dictionary of Old Norse Prose
Cleasby-Vigfusson Dictionary
J Fritzners Ordbok
The Germanic Lexicon Project (Cleasby-Vigfusson and others)
Old Norse Word Study Tool (Zoëga)
Old Norse Online (University of Texas)
Viking Society for Northern Research Free Online Publications
UW-Madison Catalog
Víglundar saga (UW-Madison Special Collections)