- en.wikipedia.org File:Thérèse Schwartze - Portrait of Max de Vries van…
- wikidata.org wiki/Q85627871
- pinterest.co.uk pin/portrait-of-max-de-vries-van-…
- useum.org artwork/Portrait-of-A-G-C-van-Duyl-…
- en.wikiquote.org wiki/File:Hugo_de_Vries_(1848-…
- artrenewal.org artworks/therese-schwartze/…
- artsandculture.google.com entity/тхересе-схвартзе…
- vk.com photo-62777585_456242018
- youtube.com watch
- Gallerix.ru storeroom/1611290762/
- ok.ru video/1297856401836
- wiki2.org ru/Схвартзе,_Тхересе
- boijmans.nl en/collection/artworks/30981