 His poetry, deeply influenced by the Symbolists as well as orientalist literature, includes 1904's "Drifting Flowers of the Sea and Other Poems", 1913's "My Rubaiyat" and 1915's "Japanese Rhythms".His works of criticism include "Shakespeare in Art" (1901) and "Japanese Art" (1904).During the 1910s, Hartmann let himself be crowned King of the Bohemians by Guido Bruno in New York's Greenwich Village.