Guedes, Vicente, is not used in this library's catalog.

For works of this author written under other names, search also under: Caeiro, Alberto, 1888-1935;  Campos, Alvaro de, 1888-1935;  Guedes, Vicente, 1888-1935;  Mora, António, 1888-1935;  Reis, Ricardo, 1888-1935;  Search, Alexander, 1888-1935;  Soares, Bernardo, 1888-1935;  Seul de Méluret, Jean, 1888-1935  

Try a search for Pessoa, Fernando, 1888-1935