• Certificate, granting WGP the position of Honorary Member of the Chinese Medical Association - October 5, 1962.
• Details/Dimensions: Hand-lettered in Chineese on gold-splattered pink paper 15 x 35.5 cm. Mounted on silk damask, and in accordion folder 31 x 21 cm (closed). The covering boards are in multi-coloured damask, originally tied with rust red ribbon. Translation typed on Chinese Medical association paper. A.N. by WGP on slip of paper: "Membership Chinese Medical Association, Peking." Removed from MNI manilla envelope to file folder.

• Certificate, granting WGP the position of Honorary Member of the Esthonia Societas Neurologiae Estoniensis Cesti Neuroloogia Selts - February 10, 1938.
• Details/Dimensions: Mottled paper, mounted on cardboard 35 x 43.5 cm. Parallel certificates in two languages, Esthonian (?) and Latin.

• Certificate, granting WGP the position of Honorary Member of the International Society of Neuropathology - September 1, 1974.
• Details/Dimensions: 27.3 x 21 cm. with envelope and boards.

• Certificate, granting WGP the position of Honorary Member of the New York Neurological Society - December 3, 1935.
• Details/Dimensions: Embossed with seal, 17.5 x 22.5 cm. mounted on cardboard.

• Certificate, granting WGP the position of Member of the Osler Society of London (Ontario) - January 24, 1941.
• Details/Dimensions: Coated card, 31.2 x 24 cm.

• Certificate, granting WGP the position of Honorary member of the American Osler Society - April 22, 1970.
• Details/Dimensions: 28 x 35 cm.

• Honorary Diploma given to WGP by Sociedad de Neurologia y Psiquiatria de Rosario (Argentina), March 31, 1944.
• Details/Dimensions: 27 x 37.5 cm. (dirty - should be cleaned with artgum)

WGP granted an Honorary membership to the American Academy of Neurology.

WGP made a Member? of the American Association for the History of Medicine.

WGP given an honour (unspecified) from the American Epilepsy League, American Epilepsy Society.