# Q121947021

> book edition published in 1937

**Wikidata**: [Q121947021](https://www.wikidata.org/wiki/Q121947021)  
**Source**: https://4ort.xyz/entity/q121947021


## References

1. Czech National Bibliography
2. [Works unavailable on the market](https://sdnnt.nkp.cz/sdnnt/oai?verb=ListRecords&metadataPrefix=marc21&set=DK-DNNTO)