Palm, Rune 1992
Runor och regionalitet : studier av variation i de nordiska minnesinskrifterna
; 290 s. : tab., kartor. Runrön ; 7. (Univ., Uppsala) [URI]
Knirk, James E. 1993
“Runes and runic inscriptions : 1 introduction”
i Pulsiano, Phillip. et al. (ed.) Medieval Scandinavia : an encyclopedia; s. 545–552. Garland reference library of the humanities ; 934, Garland encyclopedias of the Middle Ages ; 1. (Garland, New York)