# Apidae I. Megachilinae

> book (1911) by Heinrich Friese, vol. 28 of the series "Das Tierreich"

**Wikidata**: [Q51383809](https://www.wikidata.org/wiki/Q51383809)  
**Source**: https://4ort.xyz/entity/apidae-i-megachilinae


## References

1. Biodiversity Heritage Library
2. Internet Archive