# William Frederick Callfas

> Canadian physician

**Wikidata**: [Q113066679](https://www.wikidata.org/wiki/Q113066679)  
**Source**: https://4ort.xyz/entity/william-frederick-callfas


## References

1. [Source](https://www.google.com/books/edition/Class_and_Prize_Lists/sST17zjcWHgC?hl=en&gbpv=1&dq=W.F.+Callfas+toronto&pg=RA2-PA6&printsec=frontcover)