In his seminal work From Caligari to Hitler, Siegfried Kracauer delves deep into the realm of early German cinema, spanning the years 1910 to 1940, unraveling the profound impact Expressionism had on the silver screen of the era.

Giles MacDonogh’s 2001 biography, The Last Kaiser: The Life of Wilhelm II, takes a bold leap into the intimate and tumultuous world of Wilhelm II, addressing the Emperor’s complex character, his fraught familial bonds, and his pivotal part in the genesis of the First World War. Wilhelm II's reign coincided with the zenith of Expressionism, leaving an indelible mark on the cultural landscape of Germany.

Bernard S. Myers’s acclaimed volume, The German Expressionists: A Generation in Revolt (1957), offers an extensive examination of the rebellious spirit coursing through the veins of expressionist painters and their art in the vibrant decades of the 1920s and 1930s.

Roy Pascal, in his analytical narrative From Naturalism to Expressionism: German Literature and Society (1973), embarks on a journey tracing the genesis of Expressionism, linking it to the late nineteenth century’s Naturalism and Realism, and unveiling its societal implications.

Christopher Waller’s 1986 publication, Expressionist Poetry and Its Critics, scrutinizes the discerning perspectives of literary giants like Rainer Maria Rilke, Thomas Mann, and Robert Musil on the evocative works of quintessential expressionist poets.

In his insightful essay "German Literary Expressionism: An Anatomy," featured in the May 1981 issue of German Quarterly, Ulrich Weisstein delves into the complexities of defining "German Literary Expressionism," highlighting the elusive nature of pinpointing shared traits among the diverse works housed under this artistic banner.