# Petrus Ollonberg
**Wikidata**: [Q96913545](https://www.wikidata.org/wiki/Q96913545)  
**Source**: https://4ort.xyz/entity/petrus-ollonberg


## References

1. [Linköping Diocese's Shepherd's Memorial](https://litteraturbanken.se/f%C3%B6rfattare/WesterlundJA/titlar/Link%C3%B6pingsStiftsHerdaminne3/sida/813/faksimil)