Willem Martens Works Online
Categorized & Annotated
Paintings in Museums and Public Art Galleries Worldwide:
Willem Martens at the Rijksmuseum, AmsterdamArt Market:
Great scans of Rijksmuseum paintings, from the 'Memory of the Netherlands' project
Rijksmuseum Research Database, Amsterdam (in Dutch)
Currier Gallery of Art, New Hampshire
(e.g. records of past sales at auction; sites providing examples of the artist's signature)
Christie's Past Sale Archive NEW!Pictures from Image Archives:
(database goes as far back as 1991; images go about as far back as 1999)
Sotheby's Sold Lot Archive NEW!
(database goes as far back as 1998; images where permitted by copyright go about as far back as 2001)
Willem Martens in the Art Renewal CenterArticles and Reference Sites:
Brian Yoder's Art Gallery and Critic's Corner
Additional Image Search Tools: NEW!
(SafeSearch set to "strict"; go to Advanced Search (Flickr/Google) or Preferences (Bing) to change)
Union List of Artist Names (Getty Museum)
Reference sheet with basic information about the artist and pointers to other references.