DOI Page / Citation link:
https://doi.org/10.11588/diglit.53571#0069
- Intro Page
- Bibliographic information
- Auctioneer's copies of the catalogues of the auction house Hugo Helbing
- Getty Provenance Index®: Sale Content
- Another copy of this catalog (UB Heidelberg)
- Another annotated hand copy of this catalog (KH Zürich)
- Another annotated hand copy of this catalog (ZI München)
- arthistoricum.net: German Sales
