- Alchetron.com Jakob-Alt
- hellenicaworld.com Art/Paintings/en/JakobAlt.html
- copia-di-arte.com a/alt-jakob/…
- http://aroomnearthebazaar.ca across-the-centre-of-europe…
- http://artcyclopedia.com artists/alt_jakob.html
- download.osmand.net wiki/Category:Vienna_in_the_…
- gallerythane.com collections/jakob-alt-fine-art-…