The thesis’work is based on the surveys of the private archives of the poet Andrea Zanzotto in his residence in Pieve di Soligo in Northern Italy. We especially concentrated on the large correspondence preserved there, which allows us to reconstruct the relationships forged by Zanzotto with the leading intellectuals of his day. We further focused on Zanzotto's intense thirty-five years correspondence with the poet Vittorio Sereni, which we could reconstruct almost in its full entirety. We obtained a riveting and detailed photograph of the interaction between the two poets, showing how Sereni was fundamental for the public affirmation of the young poet Zanzotto, whom Sereni much supported and motivated in his early literary career. The relations between the two later evolved in form and intensity, becoming a professionally very active friendship enriched by mutual confidence and respect, and showing the two poets in the most human aspects of their profession and life.