# Adolf Kristoffer Nielsen
**Wikidata**: [Q6007555](https://www.wikidata.org/wiki/Q6007555)  
**Source**: https://4ort.xyz/entity/adolf-kristoffer-nielsen


## References

1. [1910 census of Norway](https://www.digitalarkivet.no/census/person/pf01036543001074)
2. Aftenposten. 1960
3. Dagbladet. 1960