1 inch file, hand-written notes and drawings of surgical methods for some 16 operations.; 1 reprint Sydney Sunderland, "Neurovascular Relations and Anomalies at the base of the Brain," 1948.; 13 pages of hand-written notes on Presbyterian Hospital forms.; "general operations".; 1 pencil diagram of brain.

3 quarter inch files of mostly hand-written notes and drawings.; some typed notes in binder.; 9 mounted photos.

1 hand-drawn illustration (pencil) 18 April, 1951.

1 typed draft with hand-written amendments and notes (6 pages).; 3 pages of hand-written notes.

1 typed copy of "Campaign for 1,000 Doctors to come to Great Britain from the United States" -- 29 Aug., 1941.; 1 typed copy of "The Supply of Physicians in Great Britain and Recruitment in the United States" -- 13 Sept., 1941.

1 folder (containing 7 hand-written pages concerning carotid sinus cases, 1 reprint "Réflectivité Exagérée du Sunus Carotidien avec Acces Epileptizues et Spasme des Arteres et des Sous-Clavieres", Extrait des "Annales d'Oculistique" Tome CLXXVII No. 4 April 1940, 1 typed manuscript with handwritten amendments and notes plus 1 hand-written page and 1 page with 2 tables, "Some Observations upon Carotid Sinus Pressor Reflexes Based on Surgical Denervation in Fifty Patients with Epilepsy" by Penfield and D. McEachern).; 9 mounted photographs on 8 pages.; 1 hand-written note (Penfield and D. McEachern).; 1 typed manuscript of "Circulatory Disturbances of the Retina in the Epileptics" with hand-written notes.; 10 unmounted phaotographs.; 1 small envelope containing 1 negative.; 5 mounted photographs on 4 pages.; 5 unmounted photographs.; 6 hand-written pages of cases (on graph paper).; 2 typed manuscripts of "Carotid Sinu-Neurectomy as a Treatment for Epilepsy" plus 1 discussion on follow-up.; 1 large brown paper graph re. patient cases.; 1 typed and hand-written draft of "C. Carotid sinus mechanism" with hand-written amendments and notes.; 1 typed manuscript of "Epilepsy and the Carotid Sinus" by Penfield and H.M. Keith.; 1 typed manuscript of "A Study of the Retinal Arterial Pressure in Epilepsy" by Keith.; 1 typed manuscript of "The Carotid Sinus Mechanism & Retinal Arterial Pressure" with hand-written amendments by Penfield and Keith plus references.; 2 typed pages "The Intraocular Effects of Carotid Body Removal in Man" by Magitot and Desvignes from Bill. de la Société d'Ophthalmologie de Paris, March 1934, p. 143.; 1 page of typed notes of J.N. Peterson -- E.E. Lauwers (Personal Communication to W. Penfield, 1935).; 2 pieces of correspondence plus 1 typed "Retinal Arterial Tension in Epilepsy" by S. Ramsey and Haddow Keith.

A file of correspondence - mss., assorted. Where a mss. file now exists, related items have been removed and refiled. The following remains:; - Discussion of brain tumor with Dr. Percival Bailey - March 5, 1927.; - Typed and signed letter regarding address to Ottawa branch, Ontario Medical Association, October 24, 1930.; - 'The reaction of interstitial cells of the brain, illustrated by a study of brain abscesses' with W.V. Cone.; 3 pieces of correspondence sent to American Journal of Pathology, rejected October 1932.; - Typed carbon copy of letter submitting 'Science and Human needs' to Science, December 1, 1941.; - 9 pieces of correspondence regarding British Encyclopaedia of Medical Practice, 1944.; - 3 pieces of correspondence, Milbank Memorial Fund Publication, quoting WGP, 1 paragraph.; - 'The Anatomy of speech and the teaching of language', talk to be given to Sigma Xi, 2 Feb, 1953. letter arranging date, etc. (cf. U153)

Death analyses. New York hospitals. Filed alphabetically, 13 folders.

Pathology Report [4 copies]. Ruth Inglis (patient), operating surgeon, Harvey Cushing.

1 typed copy of the letter.; 1 xerox copy of letter as appeared in the CMAJ, Oct. 1944, Vol. 51: 379-380.