# John Theodore Mueller
**Wikidata**: [Q105770422](https://www.wikidata.org/wiki/Q105770422)  
**Source**: https://4ort.xyz/entity/john-theodore-mueller


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Catalog of the German National Library
4. Project Gutenberg
5. hymnary.org
6. NUKAT
7. [MAK](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810659313505606)
8. Czech National Authority Database
9. Library of Congress Name Authority File
10. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810659313505606)