# The Sponges Of California

> 1929 thesis (Ph.D.) submitted to Stanford University by M De Laubenfels

**Wikidata**: [Q113392943](https://www.wikidata.org/wiki/Q113392943)  
**Source**: https://4ort.xyz/entity/the-sponges-of-california


## References

1. [Source](https://searchworks.stanford.edu/view/2041908)