A. Antti and &. Thompson, Types of Folktales. A classification and bibliography, 'FF Communcations, 1973.

B. Árni, Hvað merkir þjóðtrú?, in Skírnir, 1996.

C. Reidar and T. H. , The migratory Legends. A proposed list of types with a systematic catalogue of the Norwegian variants, 1958.

O. Kjartan and G. , Fróðárundur í Eyrbyggjuí ; Draugasögur, annan kafli in Studia Islandica 42, 1983.

C. W. Sydow, Om folkets sägner. Folkeviser. Folkesagn og folkeventyr (Nordisk kultur IX