Title: Ensayo biológico sobre Enrique IV de Castilla y su tiempo
Subjects: Enrique, History
Places: Spain
People: Henry IV King of Castile and Leon (1425-1474), Juana de Portugal, consort of Henry IV King of Castile and Leon (1438-1475), Juana de Portugal queen consort of Henry IV, King of Castile and Leon (1438-1475)