| Description | Enquiries for work in Katz's department, publications, invitations to lectures. Includes recommendations. Correspondents include P Waser, Sir Henry Hallett Dale, Sir Peter Brian Medawar, Harry Grundfest, AK (Archie) McIntyre, Sir William Laurence Bragg, Kenneth S. (Kacy') Cole, Alfred Fessard, Sir Frederick Stratten Russell, Talbot H Waterman |