Friedrich Vordemberge Gildewart art links 

National Galleries of Scotland, Edinburgh
Composition 14, 1925

Calderara Foundation Collection, Milan, Italy
3 works online

Harvard University Art Museums, Massachusetts   NEW!

Museum of Modern Art, New York City - Provenance Research Project
Composition Number 23, 1926

Museum of Modern Art, New York City - Provenance Research Project
Composition Number 37, 1927

Tate Gallery, London, UK

Thyssen-Bornemisza Museum, Madrid   NEW!
- to switch to English, scroll to the bottom of the page and click "English Version"
- images are zoomable; click on the "expand" icon below the detail image
- you can zoom in via the mouse scroll wheel, then click the image and drag it around
Composition N. 104, White on White, 1936

 

World Visit Guide (formerly Insecula)

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.

Wikipedia, the "Open Content" Encyclopedia