Correspondence (P-Z) on arrangements for proposed visit to Philadelphia, New York and Washington, May 1951, to speak at Bi-Centennial of the University of Pennsylvania Library and receive honorary degree - other engagements include meeting with President Harry Truman.File includes correspondence with the University of Pennsylvania (mainly with President, Harold Stassen) on WSC's visit, and loan of documents for exhibition celebrating the Bi-Centennial of the University of Pennsylvania Library (40), also includes correspondence on valuation and insurance of the documents, and with Cunard Ltd (3) on their transportation (219pp); letter from Sir Leslie Rowan, British Embassy, Washington, on cancellation of visit; letter from Herbert Bayard Swope on cancellation of visit; letter from President Harry Truman on cancellation of visit.