# Birka IV - the burial customs - a study of the graves on Björkö

> book published in 1980

**Wikidata**: [Q100871210](https://www.wikidata.org/wiki/Q100871210)  
**Source**: https://4ort.xyz/entity/birka-iv-the-burial-customs-a-study-of-the-graves-on-bj-rk-