During these years, as he had in America, he worked on the serious side of his lifelong writings, creating a long near-epic poem about his wanderings entitled The Organ-Grinder's Odyssey, which some critics, like Hannah Arendt, considered his best work.
Throughout this period, he concentrated on the serious and substantial side of his writing career, creating an extensive narrative poem called The Organ-Grinder's Odyssey, which was considered by prominent critics like Hannah Arendt to be his masterpiece.