Items

• [John Ray]
• [William B. Ray ?]
• B. Raymundus Lullius Philosophus
• [Howard Read ?]
• [James Arthur Reyniers]
  Photo signed: Cordially / James A. Reyniers / April 1939
• [Alfred Newton Richards]
  Photo of a portrait painting by J.C. Johansen
• David Riesman
• James Ritchie, M.D., F.R.C.P.E.
  Photo portrait by A. Swan Watson from his obituary
• Professor Owen, M.D. L.L.D.
  Engraving from a photograph by John Watkins
• [Richard Owen]
• [William Osler]
  Osler sitting at the desk with signature imprinted on papers in front of him
• [J. Ben Robinson]
  Photo of the portrait painting by S. B. Baker
• Wilhelm Conrad Röntgen
• Wilhelm Conrad Röntgen
  Photo of Roentgen's bust
• [Julius Moses Rogoff]
  Matted photo signed: J. M. Rogoff
• François I Roi de France
• [Humphry Rolleston]
  Photo signed: With kind regards / Humphry Rolleston / 1916
• [C. N. H. Long]
• Hermann Rorschach
• [Edward Carl Rosenow]
  Photo signed.
• [Grace M. Roth]
  Photo signed.
• Jean-Jacques Rousseau
• [G. D. Royston ]
  Photo signed: Yours / G. D. Royston / Xmas /1937
• Patrick Russell, M.D., F. R. A.
  Portrait engraved by Ridley for the European Magazine from the original painting by Varlet
• Benjamin Rush