 The early poems of Guillaume Apollinaire have strong affinities with symbolism.Early Portuguese Modernism was heavily influenced by Symbolist poets, especially Camilo Pessanha; Fernando Pessoa had many affinities to Symbolism, such as mysticism, musical versification, subjectivism and transcendentalism.Edmund Wilson's 1931 study "Axel's Castle" focuses on the continuity with symbolism and several important writers of the early twentieth century, with a particular emphasis on Yeats, Eliot, Paul Valéry, Marcel Proust, James Joyce, and Gertrude Stein.