Selected available artworks may be found at:
Arteinformado
www.arteinformado.com/guia/f/marta-caldas-marta-caldas-art-studio-187933
Artfinder.com
https://artfinder.com/marta-caldas
Artmajeur
https://www.artmajeur.com/mrtclds10
Flecha.es
https://flecha.es/obras-de-marta-caldas
Saatchi Art online.
https://www.saatchiart.com/martacaldasd
If you can´t access directly the link to the website, please right-click on web address.