File:Karl Wilhelm Diefenbach Selbstbildnis 1895.jpg|
Self Portrait, 1895, oil on canvas, 119 × 60,5 cm,
Jack Daulton Collection, Los Altos Hills, California File:Karl Wilhelm Diefenbach Frage an die Sterne 1898.jpg|
Frage an die Sterne (Asking the Stars), 1898, another version was created in 1901, Diefenbach's daughter Stella was the model for this painting from her photographic studio pose File:Karl Wilhelm Diefenbach - Frage an die Sterne, 1901.jpg|
Frage an die Sterne (Asking the Stars), 1901 File:Karl Wilhelm Diefenbach Christus am Kreuz 1891.jpg|
Karl Wilhelm Diefenbach Christus am Kreuz (Christ on the Cross), 1891, oil on canvs, 112,5 x 78,5 cm, The
Jack Daulton Collection, Los Altos Hills, California File:Wilhelm Diefenbach Der Rettung entgegen.jpg|
Der Rettung entgegen (Towards Rescue) ca. 1900, oil on canvas, 100 × 151 cm,
Jack Daulton Collection, Los Altos Hills, California File:Karl Wilhelm Diefenbach Abschied 1892.jpg|
Abschied (Farewell), oil on canvas, 223 x 152 cm, Vienna 1892 File:Diefenbach Capri.jpg|
Du sollst nicht töten (You Shall Not Kill), 1903 File:Karl Wilhelm Diefenbach - Toteninsel.jpg|
Toteninsel (Dead Island), homage by Diefenbach to
Arnold Böcklin, ca. 1905. On the building on the right is the monogram AB as a sign of this homage File:Karl Wilhelm Diefenbach Vater verzeih Ihnen 1887.jpg|
Vater verzeih Ihnen (Father, forgive them!, For
they know not what they do), 1887 File:Karl Wilhelm Diefenbach - Il Tramonto.jpg|
Il Tramonto (The Sundown)", before 1913 File:Karl Wilhelm Diefenbach Sterbender Hirsch.jpg|
Sterbender Hirsch (Dying Deer), oil on canvas, 98.5 x 150 cm, before 1913 File:Diefenbach per-aspera-ad-astra 13.jpg|Selected silhouette wall
frieze illustration, from Diefenbach's
Per aspera ad astra or
music children, 1892 File:Diefenbach per-aspera-ad-astra 11.jpg|Selected silhouette wall
frieze illustration, from Diefenbach's
Per aspera ad astra or
music children, 1892 File:Diefenbach per-aspera-ad-astra 12.jpg|Selected silhouette wall
frieze illustration, from Diefenbach's
Per aspera ad astra or
music children, 1892 ==Selected works published==