Two Peasant Heads by Ernst Ludwig Kirchner https://www.nga.gov/artworks/154376-two-peasant-heads
Kirchner; bottom center in graphite: Bergbauern; lower left verso by later hand in
Dein Suchergebnis zum Thema: Bergbau
The Triumph of Poverty by Flemish 16th Century https://www.nga.gov/artworks/44283-triumph-poverty
London, 1965: no. 456. 2006 Bergbauer, Bertrand and Catherine Chédeau.
The Virgin and Child with Four Saints by Venetian 15th Century https://www.nga.gov/artworks/44123-virgin-and-child-four-saints
London, 1965: no. 295. 2006 Bergbauer, Bertrand and Catherine Chédeau.