Siegfried Kracauer's study of early German film (1910-1940), From Caligari to Hitler, provides insight into Expressionism's influence on German cinema.

Giles MacDonogh's 2001 biography, The Last Kaiser: The Life of Wilhelm II, tackles three important issues in the ruler's life: his personality, his relationship with his parents, and his role in the outbreak of World War I. Wilhelm II ruled Germany during the peak of Expressionism.

Bernard S. Myers's book The German Expressionists: A Generation in Revolt (1957) surveys expressionist painters and painting in the 1920s and 1930s.

Roy Pascal's study From Naturalism to Expressionism: German Literature and Society, published in 1973, traces the roots of Expressionism to the late nineteenth century, examining its relationship to Naturalism and Realism.

In 1986, Christopher Waller published Expressionist Poetry and Its Critics, a study of how writers such as Rainer Maria Rilke, Thomas Mann, and Robert Musil...