Henry Kirke Brown art links 

Henry Kirke Brown: William Cullen Bryant, 1846
Photograph by Cliff, Creative Commons licensed

Art Institute of Chicago

Henry Kirke Brown at the Detroit Institute of Arts, Michigan

Henry Kirke Brown at the Metropolitan Museum of Art, New York City  
4 sculptures by Henry Kirke Brown online

Henry Kirke Brown at the Smithsonian American Art Museum, Washington D.C.
La Grazia, three-quarters view

Henry Kirke Brown at the Smithsonian American Art Museum, Washington D.C.
La Grazia, front view

Amon Carter Museum, Texas
The Choosing of the Arrow

Carnegie Museum of Art, Pittsburgh, Pennsylvania

Harvard University Art Museums, Massachusetts

National Museum of Wildlife Art, Jackson Hole, Wyoming

National Statuary Hall, Washington D.C.
Philip Kearny

National Statuary Hall, Washington D.C.
Richard Stockton

National Statuary Hall, Washington D.C.
George Clinton

National Statuary Hall, Washington D.C.
Nathanael Greene

The Huntington Library, California

U.S. Senate Art Collection
Henry Clay

 
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)

 

Henry Kirke Brown in the Art Renewal Center

 

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

Encyclopedia Britannica, 1911 Edition
Complete article, now in the public domain. Obviously, some facts may have changed since 1911.