Art Object Page https://www.nga.gov/collection/art-object-page.195224.html
National Gallery of Art
, 1996-1997, unnumbered checklist (shown only in Washington
National Gallery of Art
, 1996-1997, unnumbered checklist (shown only in Washington
National Gallery of Art
„De National Gallery of Art te Washington.“
National Gallery of Art
The Washington Star (23 December 1923):2: 20, repro
National Gallery of Art
gift 10 May 1869 to the Corcoran Gallery of Art, Washington
National Gallery of Art
Alma Thomas Pansies in Washington, 1969
National Gallery of Art
The Washington Post (16 September 1909): 11.
National Gallery of Art
Andy Goldsworthy Washington Diary, October 11-19
National Gallery of Art
„The New National Gallery in Washington.“
National Gallery of Art
Rembrandt Peale George Washington, c. 1850
National Gallery of Art
National Gallery of Art, Washington.