Matthew Pratt art links 

Matthew Pratt: Abigail Willing
Source: The Athenaeum (see "image archives" below)

Matthew Pratt at the Metropolitan Museum of Art, New York City  
3 works by Matthew Pratt online

Matthew Pratt at the National Gallery of Art, Washington D.C.
2 works by Matthew Pratt

Memorial Art Gallery of the University of Rochester, New York
Captain John Barry

Matthew Pratt at the National Portrait Gallery, Washington D.C.
Cadwallader Colden and His Grandson Warren De Lancey

Pennsylvania Academy of the Fine Arts, Philadelphia

Princeton University Art Museum, New Jersey   NEW!

 
National Art Databases and Museum Inventories:

Smithsonian Institution Art Inventories
List of works nationwide from two sources: the Inventory of American Paintings Executed before 1914 and the Inventory of American Sculpture (only a few percent of listings have an accompanying image)

 

Matthew Pratt in the Art Renewal Center

Matthew Pratt at CGFA  

Matthew Pratt at The Athenaeum  
Portrait of Abigail Willing

 

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.