Given the task definition and input, reply with output. Given a text, write a compressed version of it in a single sentence.

After reading Rosenbaum, I went back to Thomas Mann's 1938 Esquire essay, "This Man Is My Brother," the most convincing picture of Hitlerism as an "artist-phenomenon":
After reading Rosenbaum, I went back to the 1938 Esquire essay which is the most convincing of Hitlerism.