Framed and signed portrait photograph of J. Erik Jorpes. Typed note on the back, 'J. Erik Jorpes, Stockholm, who on reading the M.S. of my book on 'The Mast Cells' when he visited me in Dundee in 1958 remarked: "This is very good. I am sure that you are right"'.
Framed and signed portrait photograph of Professor Ackermann. Typed note on the back, '"Histamine has two grandfathers: Professor Ackermann and Sir Henry Dale" (Sir John Gaddum at Leidum, September, 1962). Professor Ackermann gave me this portrait shortly after the Leiden meeting'.
Framed and signed portrait photograph of Sir Henry Dale. Typed note on the back, 'Photograph of the portrait sketch by James Gunn of Sir Henry Dale, given to me by Sir Henry, and signed, at the Ciba Histamine Symposium, London, April, 1955'.
Framed and signed portrait photograph of Alexander Maximow. Typed note on the back, 'Alexander Maximow of St. Petersburg, the greatest of all mast-cell pathologists. I wrote the technical section in the mast cell in Maximow and Bloom's 'Histology' and Dr. Wm. Bloom gave me this autograph of Maximow for my collection'.
'From Dream to Discovery on being a Scientist'. Signed by the author, Hans Selye and his colleagues in Montreal on the occasion of Dr Riley's lecture there in 1966
Biography, with inscription, 1967, by the author L Pearce Williams praising Riley's book 'The Hammer & the Anvil' . Also letter noting confirming Williams signed it in the Royal Institution.