: Finding original manuscripts or early editions is difficult because much of his output was multi-disciplinary—he was an accomplished composer and caricaturist as well as a writer.
: His nighttime creative bursts produced masterpieces like The Nutcracker and the Mouse King and The Devil's Elixir , influencing everyone from Edgar Allan Poe to Franz Kafka . Hoffmann, E T A ( LH ) rar
: He was the first to treat music as a "transcendental" experience in literature, famously reviewing Beethoven's Fifth Symphony and defining it as the epitome of Romanticism. : Finding original manuscripts or early editions is
: He pioneered the concept of the "uncanny" ( das Unheimliche ), using dolls and automatons to explore human psyche, a theme later analyzed by Sigmund Freud. : He pioneered the concept of the "uncanny"
In the context of rare book cataloging or archival records, "Hoffmann, E T A ( LH ) rar" refers to a rare edition or autograph manuscript of the German Romantic polymath (1776–1822) .