Generate this item's QR code Copy the permalink Correspondence: Rockefeller University (NY) Type File Date 1969 Dipartimento di Fisica di Sapienza-Università di RomaGiuliano PreparataArchival Unit File Typology fileContent Letter to G.P. from C.R. Valli, The Rockefeller University, July 23, 1969; Rockefeller health insurance. Persona Ente Inventory Expand the inventory