Donald M. Halley Jr., director of the Hudson River Museum, writes to Nelson Rockefeller over the opening of the museum and asks him for the loan of three works from his collection.

Reference in the source Archive:
Collecion Rfam NAR, RG4, Serie C: Art, Sub 2-B28, F237-La Guernica

© Courtesy of Rockefeller Archive Center.

Donald M. Jr. Halley's letter to Nelson Rockefeller