# Tracing paper in the Semper estate, a surprise

> German article from Ivo Mohrmann, Sven Barnick, Dresdner Heft 162

**Wikidata**: [Q135068168](https://www.wikidata.org/wiki/Q135068168)  
**Source**: https://4ort.xyz/entity/tracing-paper-in-the-semper-estate-a-surprise


## References

1. [Source](https://swb.bsz-bw.de/DB=2.304/PPNSET?PPN=1931993076&INDEXSET=21)