

Throughout his writing, Hocke employs a Geistgeschichte approach to his art history. The book was highly influential for subsequent art historians such as Jacques Bousquet.

In 1957 he published his Die Welt als Labyrinth his theory of the continual resurfacing of Manneristic tendenices in European art. His interest in primary source documentation resulting in the following year's publication of artist's letters, Europäische Künstlerbriefe. He published a novel, Der tanzende Gott (The Dancing God), in 1948. After the Second World War, he again worked again as a journalist in Italy. As a journalist for the Cologne newspaper, he observed of the rise of national socialism, and, as their correspondent in Italy, observed fascism there as well as the Roman underground. Hocke studied in Bonn under the literary historian Ernst Robert Curtius (1886-1956) (whose grandfather was the archaeologist/art historian Ernst Curtius), under whom he wrote his dissertation in 1934. Journalist and art historian employed Geistgeschichte mode in his philological and art-historical studies of Mannerism.
