Basque Country, ca. 1975–1980 - Photograph Mural with the abbreviation of the Communist Movement of the Basque Country (MCE)
Biscay, 1980 - Photograph Mural of the 60th anniversary of the PCE (the Communist Party of the Basque Country)
April, 1987 - Photograph Graffiti in Biscay with the message Euskadi libre ("Free the Basque Country")
May - July 1992 - Institutional correspondence Loaned works at the Museo Nacional Centro de Arte Reina Sofía in conjunction with the rearrangement of holdings between the Reina Sofía and Museo Nacional del Prado
ca. 1952–1957 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the Museum of Cranbrook, New Jersey, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York