9 September 1981 - Internal museum documents Internal communiqué from Richard Oldenburg, director of the Museum of Modern Art, New York, on the departure of Guernica
Madrid, 1981 - Internal museum documents Record sheet of the entry of Guernica into the Casón del Buen Retiro, Madrid
26 March 1988 - Internal museum documents Opinions on the collection of the Centro de Arte Reina Sofía
1992-1993 - Internal museum documents Exhibition folder. Picasso: The Love and the Anguish. The Road to Guernica
Madrid, 10 September 1981 - Internal museum documents Certificate for the reception of Guernica, and its stretcher and related works
10 September 1981 - Internal museum documents Registration sheet for the Picasso works deposited at the Casón, including Guernica
1988-1992 - Internal museum documents Arranging the Collection: The transfer of Pablo Picasso's Guernica to the Centro de Arte Reina Sofía
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Normal University, Illinois, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Hamline University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
New York, 10 September 1981 - Internal museum documents An internal letter from Louis Estrada to Eloise Ricciardelli
New York, 31 August 1981 - Institutional correspondence John Koegel's letter to Richard E. Oldenburg, dated 31 August 1981