- en.wikipedia.org The Hurdy-Gurdy Player
- archive.org details/TheHurdyGurdyPlayer-NGA
- wikiart.org en/georges-de-la-tour/the-hurdy-gurdy…
- artic.edu artworks/40127/hurdy-gurdy-player
- ancient-origins.net artifacts-ancient-technology/…
- artsy.net artwork/johannes-van-vliet-the-hurdy-…
- nga.gov collection/art-object-page.10841.html
- muzikguncesi.com 2014/12/orta-cagdan-gunumuze-…
- metmuseum.org art/collection/search/394074
- loudersound.com news/watch-swiss-hurdy-gurdy-…
- gurdyworld.com hurdy-gurdy-faqs/
- artsandculture.google.com asset/the-hurdy-gurdy-…
- allpainters.ru zhorzh-de-latur/31172-the-hurdy-…