Meersand (In the Sand), Oil on Canvas, State Art Gallery, Karlsruhe, Germany 1918: Bildnis Theodor Reinhart (Portrait of Theodor Reinhart), Oil on Canvas, Volkhart Brothers, Winterthur, Switzerland Middle period, 1920–1933 1922: Maskerade oder Drei Masken (Masquerade or Three Masks), Oil on Canvas, Wallraf-Richartz Museum, Cologne, Germany 1922/1923: Freundinnen (Girlfriends), Oil on Canvas, Kunsthalle Hamburg, Hamburg, Germany 1924: Große Tischgesellschaft (Large Dinner Party), Oil on Canvas, The Winterthur Museum of Art, Winterthur, Switzerland 1924: Der Rufer (The Caller), Oil on Canvas, New Masters Gallery, Dresden, Germany 1925: Still life National Museum of Serbia, Belgrade, Serbia 1926: Zwei Freunde (Two Friends), Oil on Canvas, Städel, Frankfurt am Main, Germany 1928: Großer Karneval (Big Carnival), Oil on Canvas, Bavarian State Picture Collection, Munich, Germany 1928: Yellow Dog Blues, Oil on Canvas, Private Collection 1930: Selbstbildnis mit Dämonen (Self Portrait with Demons), Oil on Canvas, Former Hofer Estate, Berlin, Germany Mature work, 1933–1945 1933: Gefangene (Prisoner), Oil on Canvas, Berlinische Galerie, Berlin, Germany 1935: Frühe Stunde (Early Hour), Oil on Canvas, Portland Art Museum, Portland, USA 1935: Turmbläser (Trumpeters), Oil on Canvas, Former Hofer Estate, Berlin, Germany 1936: Agnuzzo – Italienische Landschaft (Agnuzzo – Italian Landscape), Oil on Canvas, The Detroit Institute of Arts, Detroit, USA 1937: Mann in Ruinen (Man in Ruins), Oil on Canvas, Staatliche Kunstsammlungen Kassel, Kassel, Germany 1943: Die Schwarzen Zimmer (2. Fassung) (The Black Rooms, 2nd version), Oil on Canvas, Neue Nationalgalerie, Berlin, Germany 1944: Der Brief (The Letter), Oil on Canvas, Private Collection 1944: Schwarzmondnacht (Black Moon), Oil on Canvas, Former Hofer Estate, Cologne, Germany Late work, 1945–1955 1947: Höllenfahrt (Descent into Hell), Oil on Canvas, Former Hofer Estate, Cologne, Germany 1947: Ruinennacht (Night of Ruin), Oil on Canvas, Former Hofer Estate, Cologne, Germany 1948: Schwarzmond (2. Fassung)(Black Moon, 2nd version, Oil on Canvas, Former Hofer Estate, Cologne, Germany 1950: Im Gestein (In Rock), Oil on Canvas, Private Collection, Southern Germany 1951: Zwei Frauen (Doppelportrait), (Two Women) (Double Portrait), Oil on Cardboard, Private Collection, Cologne, Germany 1954: Zwei Masken (Two Masks), Oil on Canvas, Former Hofer Estate 1954: Drei Mädchen zwischen Leitern (Three Girls between Conductors), Oil on Canvas, Private Collection, Cologne, Germany 1954: Vater und Tochter (Father and Daughter), Oil on Canvas, Private Collection, Cologne, Germany Literature Karl Hofer: Über das Gesetzliche in der bildenden Kunst. Ed. Kurt Martin. Berlin 1956. Karl Hofer: Erinnerungen eines Malers. München 1963. Christine Fischer-Defoy (ed.. Karl-Hofer-Gesellschaft): Ich habe das Meine gesagt!