ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the School of Fine and Applied Arts, Columbus, Ohio, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
Rome, 5 December 1952 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, date 5 December 1952
Rome, 10 December 1952 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 10 December 1952