Smithsonian American Art Museum's Inventories of American Painting and Sculpture;
Repository: Inventories of American Painting and Sculpture, Smithsonian American Art Museum, P.O. Box 37012, MRC 970, Washington, D.C. 20013-7012
Control Number: IAP 80130098
{{Information |Description={{en|1=This is an oil on canvas portrait of Thomas Gage.}} |Source=From the Smithsonian, National Gallery of Art.<br> Repository: Inventories of American Painting and Sculpture, Smithsonian American Art Museum, P.O. Box 3701