# Old Man in his Study

> painting by George Gillis Haanen

**Wikidata**: [Q17341956](https://www.wikidata.org/wiki/Q17341956)  
**Source**: https://4ort.xyz/entity/old-man-in-his-study


## References

1. [Source](http://europeana.eu/portal/record//90402/SK_C_135.html)
2. [Source](http://europeana.eu/portal/record//2021608/dispatcher_aspx_action_search_database_ChoiceCollect_search_priref_38649.html)
3. [Source](http://am.adlibhosting.com/amonline/details/collect/38649)
4. [Source](https://www.rijksmuseum.nl/nl/collectie/SK-C-135)
5. [Source](http://am.adlibhosting.com/dispatcher.aspx?action=search&database=ChoiceCollect&search=priref=38649)
6. [Source](https://archive.org/details/descriptiondesta00muse/page/68/mode/1up)
7. [Source](https://archive.org/details/catalogusderschi00rijk_3/page/n185)