Girolamo Santacroce art links 

Kress Foundation Collection   NEW!
(Look for the "Image" links for super high resolution scans)
3 paintings online in high resolution

National Gallery, London, UK   NEW!

Rijksmuseum, Amsterdam   NEW!
Great scans of Rijksmuseum paintings, from the 'Memory of the Netherlands' project

Rijksmuseum Research Database, Amsterdam (in Dutch)  

Ashmolean Museum at the University of Oxford, UK

Columbia Museum of Art, South Carolina
The Annunciation

Courtauld Institute of Art, London, UK
5 works by or related to the artist

Minneapolis Institute of Arts, Minnesota  
The Annunciation, ca.1540

Museu de Arte de São Paulo, Brazil (in Portuguese)  

Querini Stampalia Foundation Museum, Venice (in Italian)  

The Walters Art Museum, Maryland   NEW!

 
National Art Databases and Museum Inventories:

UK National Inventory of Continental European Paintings (NICE)   NEW!

 

Girolamo Santacroce in the Web Gallery of Art  

Bildindex der Kunst und Architektur (in German)  
(a welcome screen is displayed for a couple of seconds before the search results appear)

Ciudad de la Pintura (in Spanish)  

 

Grove Dictionary of Art Online (excerpt)  

Union List of Artist Names (Getty Museum)  
Reference sheet with basic information about the artist and pointers to other references.