LACMA, Los Angeles County Museum of Art

Website: http://collections.lacma.org

Conditions:

The Content on the Site marked “Public Domain High Resolution Image Available” consists of images of works from LACMA’s permanent collections that are currently available in “high resolution” format and that LACMA believes are in the public domain. LACMA is providing high resolution images of these works free of charge and for use without restriction.

Source: http://www.lacma.org/about/contact-us/terms-use