1927
National Gallery of Art, 1941
National Gallery of Art, 1911
National Gallery of Art, 1910
National Gallery of Art, 1925
National Gallery of Art, 1930
National Gallery of Art, 1753
National Gallery of Art, 1809
National Gallery of Art, 1971
National Gallery of Art, 1935
National Gallery of Art, 1920
National Gallery of Art, 1755
![The War Effort - on the Factory Line [Munitions Factory]](https://api.nga.gov/iiif/db3087a7-c057-4640-82cb-30385fe563c4/full/843,/0/default.jpg)
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/f9f0f9c7-5cf2-46e6-8329-b4c9a13b80aa/full/843,/0/default.jpg)