Proposed Laboratory of Neurocytology.

Subject : Laboratories.

Letter from the Associate Attending Surgeon to Dr. Frederick Keppel, Februrary 9, 1925.

Subject : Laboratories.

History of the first ten years of the Montreal Neurological Institute.

Subject : Laboratories.

Wilder Penfield standing in Sir Charles Sherrington's laboratory, prepared to take his final exams, photograph.

Subject : Medical laboratories.

Letter from Wilder Penfield to J.C. Meakins, January 23, 1928.

Subject : Laboratories.

Letter from Edward Archibald to Wilder Penfield, January 20, 1928.

Subject : Laboratories.

Letter from Edward Archibald to Wilder Penfield, May 25, 1928.

Subject : Laboratories.

Proposed biopsy and experimental investigation of dementia praecox.

Subject : Laboratories.