R.M.Lenox: 1912, Ernst Ludwig Kirchner, Women Bathing among White Stones (Badende Frauen zwischen weißen Steinen) -- National Gallery of Art (Washington)
R.M.Lenox: 1913, Emil Nolde, Dancer (Tänzerin) -- National Gallery of Art (Washington)
R.M.Lenox: 1914, Egon Schiele, Sorrow (Kummernis) -- National Gallery of Art (Washington)
R.M.Lenox: 1918, Christian Rohlfs, The Prisoner (Der Gefangene) -- National Gallery of Art (Washington)
R.M.Lenox: 1918, Walter Gramatte, The Great Anxiety (Die große Angst) -- National Gallery of Art (Washington)
R.M.Lenox: 1919, Christian Rohlfs, Death as a Juggler (Revolution) (Tod als Jongleur [Revolution]) -- National Gallery of Art (Washington)
R.M.Lenox: 1919, Erich Heckel, Portrait of a Man (Self-Portrait) (Männerbildnis [Selbstbildnis]) -- National Gallery of Art (Washington)
R.M.Lenox: 1920 (ca.), Otto Mueller, Finding of Moses (Auffindung des Moses) -- National Gallery of Art (Washington)
R.M.Lenox: 1920 (ca.), Otto Mueller, Two Bathers (Zewi Badende) -- National Gallery of Art (Washington)
R.M.Lenox: 1920, Max Pechstein, Head of a Woman (Fraudenkopf) -- National Gallery of Art (Washington)
R.M.Lenox: 1923, Ernst Ludwig Kirchner, Self-Portrait in the Studio (Selbstbildnis im Atelier) -- National Gallery of Art (Washington)
R.M.Lenox: 1923, Georg Erhlich, Pietà -- National Gallery of Art (Washington)
R.M.Lenox: 1923, Kathe Kollwitz, Frontal Self-Pirtrait (Selbstbildnis von vorn) -- National Gallery of Art (Washington)
R.M.Lenox: 1923, Max Beckmann, Group Portrait, Eden Bar (Gruppenbildnis Edenbar) -- National Gallery of Art (Washington)
R.M.Lenox: 1923, Otto Mueller, Adam and Eve (Adam und Eva) -- National Gallery of Art (Washington)
R.M.Lenox: 1924, Ernst Ludwig Kirchner, Head Study (Kopfstudie) -- National Gallery of Art (Washington)
R.M.Lenox: 1933, Kathe Kollwitz, Self-Portrait in Profile, Facing Left, While Drawing (Selbstbildnis im Profil nach links, zeichnend) -- National Gallery of Art (Washington)
R.M.Lenox: 1954, Leonard Baskin, The Hydrogen Man -- National Gallery of Art (Washington)
R.M.Lenox: 2004, David Driskell, Self-Portrait -- National Gallery of Art (Washington)
R.M.Lenox: 2017, Kerry James Marshall, Untitled (Man) -- National Gallery of Art (Washington)
R.M.Lenox: 2017, Orit Hofshi, Time...thou ceaseless lackey to eternity -- National Gallery of Art (Washington)